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* checkpatch: add ability to --fix (coalesce) string fragments on multiple linesJoe Perches2014-12-111-46/+69
| | | | | | | | | | | | | | | | | | | Add --fix option to coalesce string fragments. This does not coalesce string fragments that have newline terminations or are otherwise exempted. Other miscellanea: o move all the string tests together. o fix get_quoted_string function for tab characters o fix concatination typo Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add --strict "pointer comparison to NULL" testJoe Perches2014-12-111-0/+14
| | | | | | | | | | | | | | | | It seems there are more and more uses of "if (!ptr)" in preference to "if (ptr == NULL)" so add a --strict test to emit a message when using the latter form. This also finds (ptr != NULL). Fix it too if desired. Signed-off-by: Joe Perches <joe@perches.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: Greg KH <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add test for consecutive string fragmentsJoe Perches2014-12-111-0/+6
| | | | | | | | | | | | | | | | Emit a warning when single line string coalescing occurs. Code that uses compiler string concatenation on a single line like: printk("foo" "bar"); is generally better to read concatenated like: printk("foobar"); Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add --strict preference for #defines using BIT(foo)Joe Perches2014-12-111-0/+11
| | | | | | | | | | | | | Using BIT(foo) and BIT_ULL(bar) is more common now. Suggest using these macros over #defines with 1<<value. Add a --fix option too. Signed-off-by: Joe Perches <joe@perches.com> Cc: David Miller <davem@davemloft.net> Cc: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: allow certain SI units with three charactersJulius Werner2014-12-111-1/+3
| | | | | | | | | | | | | | | | | | Checkpatch flags CamelCase identifiers in strict mode, but it has a feature to ignore parts with only two characters to allow for SI units like mV or uA. Unfortunately, not all SI units fit in two characters, and not all are lower case followed by upper case. This patch adds hardcoded detection for frequency and 1024-based size units (Hz/KHz/MHz/GHz/THz and KiB/MiB/GiB/TiB), since allowing any three character combinations might be too lenient. The list can later be expanded as needed. Signed-off-by: Julius Werner <jwerner@chromium.org> Acked-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: Add --strict test for function pointer calling styleJoe Perches2014-12-111-3/+21
| | | | | | | | | | | | | | | | | Peter Hurley wrote: The use of older function ptr calling style, (*fn)(), makes static analysis more error-prone; replace with modern fn() style. So make checkpatch emit a --strict test for that condition. Update the unnecessary parentheses test for dereferencing objects at the same time and create a $fix mechanism too. Signed-off-by: Joe Perches <joe@perches.com> Cc: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: reduce MAINTAINERS update message frequencyJoe Perches2014-12-111-0/+6
| | | | | | | | | | | | When files are being added/moved/deleted and a patch contains an update to the MAINTAINERS file, assume it's to update the MAINTAINERS file correctly and do not emit the "does MAINTAINERS need updating?" message. Reported by many people. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: try to avoid mask and shift errorsJoe Perches2014-12-111-0/+8
| | | | | | | | | | | | Shift has a higher precedence that mask so warn when a mask then shift operation is done without parentheses around the mask. This test works well for a right shift, but the left shift is pretty commonly done correctly so only warn on the right shift. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: fix use via symlink, make missing spelling file non-fatalJoe Perches2014-12-111-17/+21
| | | | | | | | | | | | | | | | | | Commit 66b47b4a9dad ("checkpatch: look for common misspellings") made it difficult to use checkpatch via a symlink. Fix that and make a missing spelling.txt file non-fatal. Emit a warning when the spelling.txt file can not be opened. Reference: http://xkcd.com/1172/ Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Jani Nikula <jani.nikula@intel.com> Tested-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: improve warning message for "needless if" caseFabio Estevam2014-12-111-1/+1
| | | | | | | | | | | Add an 'and' to the sentence so that it looks better: WARNING: debugfs_remove(NULL) is safe and this check is probably not required Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: improve test for no space after castJoe Perches2014-12-111-1/+2
| | | | | | | | | sizeof(foo) is not a cast, allow a space after it. Signed-off-by: Joe Perches <joe@perches.com> Tested-by: Kalle Valo <kvalo@qca.qualcomm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add error on use of attribute((weak)) or __weak declarationsJoe Perches2014-12-111-0/+9
| | | | | | | | | | | | Using weak declarations can have unintended link defects. The __weak on the declaration causes non-weak definitions to become weak. Emit an error on its use. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add an error test for no space before commaJoe Perches2014-12-111-2/+21
| | | | | | | | | | | | | | | | Using code like: int foo , bar; is not preferred to: int foo, bar; so emit an error on this style. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* scripts/kernel-doc: don't eat struct members with __alignedJohannes Berg2014-12-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The change from \d+ to .+ inside __aligned() means that the following structure: struct test { u8 a __aligned(2); u8 b __aligned(2); }; essentially gets modified to struct test { u8 a; }; for purposes of kernel-doc, thus dropping a struct member, which in turns causes warnings and invalid kernel-doc generation. Fix this by replacing the catch-all (".") with anything that's not a semicolon ("[^;]"). Fixes: 9dc30918b23f ("scripts/kernel-doc: handle struct member __aligned without numbers") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Cc: Nishanth Menon <nm@ti.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* dts, kbuild: Implement support for dtb vendor subdirsRobert Richter2014-10-211-5/+18
| | | | | | | | | | This patch adds support of vendor sub directories for dtb files. Subdirectories can be specified in $(dts-dirs). Kbuild traverses over all directories while building and installing dtb files. The directory tree is also reflected in the install path. Tested-by: Andrew Bresticker <abrestic@chromium.org> Signed-off-by: Robert Richter <rrichter@cavium.com>
* dts, kbuild: Factor out dtbs install rules to Makefile.dtbinstRobert Richter2014-10-213-12/+44
| | | | | | | | | | Move dtbs install rules to Makefile.dtbinst. This change is needed to implement support for dts vendor subdirs. The change makes Makefiles easier and smaller as no longer the dtbs_install rule needs to be defined. Another advantage is that install goals are not encoded in targets anymore (%.dtb_dtbinst_). Signed-off-by: Robert Richter <rrichter@cavium.com>
* Merge branch 'misc' of ↵Linus Torvalds2014-10-143-23/+193
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull misc kbuild updates from Michal Marek: "This is the less critical kbuild stuff for v3.18-rc1: - make deb-pkg debuginfo fix, ppc64el support and warning fix for recent dpkg tools - make TAGS fixes - new coccinelle patch - kbuild documentation improvements" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: deb-pkg: remove obsolete -isp option to dpkg-gencontrol coccinelle: misc: semantic patch to delete overly complex return code processing deb-pkg: Add support for powerpc little endian builddeb: put the dbg files into the correct directory scripts/tags.sh: fix DEFINE_HASHTABLE in emacs case scripts/tags.sh: remove *PCGFLAGS regular expressions scripts/tags.sh: Don't specify kind-spec for emacs' ctags/etags Documentation: kbuild: Improve grammar Documentation: kbuild: Remove obsolete dtc_cpp section Documentation: kbuild: Improve if_changed documentation Documentation: kbuild: Remove obsolete include/asm symlink step
| * deb-pkg: remove obsolete -isp option to dpkg-gencontrolAsbjoern Sloth Toennesen2014-10-061-1/+1
| | | | | | | | | | | | | | | | | | | | | | The -isp option has been deprecated, after it became the default behaviour back in 2006. Since dpkg 1.17.11, dpkg-gencontrol emits a warning on -isp usage. References: https://bugs.debian.org/215233 Signed-off-by: Asbjoern Sloth Toennesen <asbjorn@asbjorn.biz> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * coccinelle: misc: semantic patch to delete overly complex return code processingJulia Lawall2014-09-261-0/+180
| | | | | | | | | | | | | | | | | | | | | | | | This semantic patch simplifies cases where the effect of the processing of a function call's return code is just to return the result of the function directly. It may also delete a local return flag variable, if this is no longer used. This was proposed by Uwe Kleine-König. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * deb-pkg: Add support for powerpc little endianMichael Neuling2014-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | The Debian powerpc little endian architecture is called ppc64el. This is the default architecture used by Ubuntu for powerpc. The below checks the kernel config to see if we are compiling little endian and sets the Debian arch appropriately. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * builddeb: put the dbg files into the correct directoryMichal Marek2014-08-261-12/+10Star
| | | | | | | | | | | | | | | | | | | | | | | | | | Since the conversion of objtree to use relative pathnames (commit 7e1c04779e, "kbuild: Use relative path for $(objtree)"), the debug info files have been ending up in /debian/dbgtmp/ in the regular linux-image package instead of the debug files package. Fix up the paths so that the debug files end up in the -dbg package. This is based on a similar patch by Darrick. Reported-and-tested-by: "Darrick J. Wong" <darrick.wong@oracle.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * scripts/tags.sh: fix DEFINE_HASHTABLE in emacs caseDirk Gouders2014-08-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | The emacs --regex for DEFINE_HASHTABLE produced a warning because of an unmatched '\('. Further, the whole entry did not work, because the regex needs to match from the beginning of a line, including keywords like 'static'. Finally, '\w' should not be used, because it stops at underscores which are often part of variable names in C, resulting in wrong entries in the tags file. Signed-off-by: Dirk Gouders <dirk@gouders.net> Inspired-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * scripts/tags.sh: remove *PCGFLAGS regular expressionsDirk Gouders2014-08-191-8/+0Star
| | | | | | | | | | | | | | | | | | | | | | Commit 0a31bc97c80c3fa8 (mm: memcontrol: rewrite uncharge API) removed the macros {TEST,SET,CLEAR,TESTCLEAR}PCFLAG. Remove corresponding entries from tags.sh -- in the emacs case they also produced warnigs because of unmatched '\('. Signed-off-by: Dirk Gouders <dirk@gouders.net> Inspired-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * scripts/tags.sh: Don't specify kind-spec for emacs' ctags/etagsDirk Gouders2014-08-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Emacs' ctags/etags don't know about kind-spec in --regex and produce warnings: etags: invalid regexp modifier `v', ignoring etags: invalid regexp modifier `/', ignoring Fix it by removing kind-spec for the emacs case. Signed-off-by: Dirk Gouders <dirk@gouders.net> Inspired-by: Masatake YAMATO <yamato@redhat.com> Tested-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'kbuild' of ↵Linus Torvalds2014-10-1431-52/+35Star
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild changes from Michal Marek: - fix for handling dependencies of *-objs targets by Masahiro Yamada - lots of cleanups in the kbuild machinery, also by Masahiro - fixes for the kconfig build to use an UTF-8 capable ncurses library if possible and to build on not-so-standard installs - some more minor fixes * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: Do not reference *-n variables in the Makefile kbuild: simplify build, clean, modbuiltin shorthands kbuild: arm: Do not define "comma" twice kbuild: remove obj-n and lib-n handling kbuild: remove unnecessary variable initializaions kbuild: remove unnecessary "obj- := dummy.o" trick kbuild: handle C=... and M=... after entering into build directory kbuild: use $(Q) for sub-make target kbuild: fake the "Entering directory ..." message more simply kconfig/lxdialog: get ncurses CFLAGS with pkg-config kconfig: nconfig: fix multi-byte UTF handling kconfig: lxdialog: fix spelling kbuild: Make scripts executable kbuild: remove redundant clean-files from scripts/kconfig/Makefile kbuild: refactor script/kconfig/Makefile kbuild: handle the dependency of multi-objs hostprogs appropriately kbuild: handle multi-objs dependency appropriately
| * | kbuild: simplify build, clean, modbuiltin shorthandsMasahiro Yamada2014-10-022-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $(if $(KBUILD_SRC),$(srctree)/) was a useful strategy to omit a long absolute path for in-source-tree build prior to commit 890676c65d699db3ad82e7dddd0cf8fb449031af (kbuild: Use relative path when building in the source tree). Now $(srctree) is "." when building in the source tree. It would not be annoying to add "$(srctree)/" all the time. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: remove obj-n and lib-n handlingMasahiro Yamada2014-10-023-6/+4Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kconfig never defines CONFIG_* as 'n'. Now obj-n is only used in firmware/Makefile and it can be replaced with obj-. No makefile uses lib-n. Let's rip off obj-n and lib-n. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Peter Foley <pefoley2@pefoley.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig/lxdialog: get ncurses CFLAGS with pkg-configBjørn Forsman2014-09-231-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This makes "make menuconfig" also work on systems where ncurses is not installed in a standard location (such as on NixOS). This patch changes ccflags() so that it tries pkg-config first, and only if pkg-config fails does it go back to the fallback/manual checks. This is the same algorithm that ldflags() already uses. Signed-off-by: Bjørn Forsman <bjorn.forsman@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: nconfig: fix multi-byte UTF handlingBrian Norris2014-08-221-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, Kconfig descriptions that use multi-byte UTF-8 characters (such as MTD_NAND_CAFE) will have their menu entries dropped from the 'make nconfig' ncurses menu, and all subsequent entries in the same window will be omitted. This seems to be due to the ncurses 'menu' library, which does not traditionally handle UTF-8 >8-bit characters properly. The ncursesw library ('w' is for "wide") is written to handle these UTF-8 characters, and is practically a drop-in replacement at the source level. Use it by default, if available. Link: https://bugzilla.kernel.org/show_bug.cgi?id=43067 Signed-off-by: Brian Norris <computersforpeace@gmail.com> Cc: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Martin Walch <walch.martin@web.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: lxdialog: fix spellingBrian Norris2014-08-221-1/+1
| | | | | | | | | | | | | | | | | | Signed-off-by: Brian Norris <computersforpeace@gmail.com> Cc: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: Make scripts executableMichal Marek2014-08-2023-0/+0
| | | | | | | | | | | | | | | | | | | | | The Makefiles call the respective interpreter explicitly, but this makes it easier to use the scripts manually. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: remove redundant clean-files from scripts/kconfig/MakefileMasahiro Yamada2014-08-191-1/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | Now mconf, qconf, gconf, nconf are always added to hostprogs-y. Files added to hostprogs-y are removed by "make clean". Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: refactor script/kconfig/MakefileMasahiro Yamada2014-08-191-31/+3Star
| | | | | | | | | | | | | | | | | | | | | Now it is harmless to add all host programs to hostprogs-y. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: handle the dependency of multi-objs hostprogs appropriatelyMasahiro Yamada2014-08-191-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Assume we have a Makefile like: hostprogs-y := foo bar foo-objs := foo1.o foo2.o bar-objs := bar1.o bar2.o Without this commit, the host program foo depends on all of foo1.o foo2.o bar1.o bar2.o. This commit allows to handle the dependency of each host program separately. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: handle multi-objs dependency appropriatelyMasahiro Yamada2014-08-192-6/+13
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The comment in scripts/Makefile.build says as follows: We would rather have a list of rules like foo.o: $(foo-objs) but that's not so easy, so we rather make all composite objects depend on the set of all their parts This commit makes it possible! For example, assume a Makefile like this obj-m = foo.o bar.o foo-objs := foo1.o foo2.o bar-objs := bar1.o bar2.o Without this patch, foo.o depends on all of foo1.o foo2.o bar1.o bar2.o. It looks funny that foo.o is regenerated when bar1.c is updated. Now we can handle the dependency of foo.o and bar.o separately. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'akpm' (patches from Andrew Morton)Linus Torvalds2014-10-144-13/+1142
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge second patch-bomb from Andrew Morton: - a few hotfixes - drivers/dma updates - MAINTAINERS updates - Quite a lot of lib/ updates - checkpatch updates - binfmt updates - autofs4 - drivers/rtc/ - various small tweaks to less used filesystems - ipc/ updates - kernel/watchdog.c changes * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (135 commits) mm: softdirty: enable write notifications on VMAs after VM_SOFTDIRTY cleared kernel/param: consolidate __{start,stop}___param[] in <linux/moduleparam.h> ia64: remove duplicate declarations of __per_cpu_start[] and __per_cpu_end[] frv: remove unused declarations of __start___ex_table and __stop___ex_table kvm: ensure hard lockup detection is disabled by default kernel/watchdog.c: control hard lockup detection default staging: rtl8192u: use %*pEn to escape buffer staging: rtl8192e: use %*pEn to escape buffer staging: wlan-ng: use %*pEhp to print SN lib80211: remove unused print_ssid() wireless: hostap: proc: print properly escaped SSID wireless: ipw2x00: print SSID via %*pE wireless: libertas: print esaped string via %*pE lib/vsprintf: add %*pE[achnops] format specifier lib / string_helpers: introduce string_escape_mem() lib / string_helpers: refactoring the test suite lib / string_helpers: move documentation to c-file include/linux: remove strict_strto* definitions arch/x86/mm/numa.c: fix boot failure when all nodes are hotpluggable fs: check bh blocknr earlier when searching lru ...
| * | scripts/sortextable: suppress warning: `relocs_size' may be used uninitializedTim Gardner2014-10-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In file included from scripts/sortextable.c:194:0: scripts/sortextable.c: In function `main': scripts/sortextable.h:176:3: warning: `relocs_size' may be used uninitialized in this function [-Wmaybe-uninitialized] memset(relocs, 0, relocs_size); ^ scripts/sortextable.h:106:6: note: `relocs_size' was declared here int relocs_size; ^ In file included from scripts/sortextable.c:192:0: scripts/sortextable.h:176:3: warning: `relocs_size' may be used uninitialized in this function [-Wmaybe-uninitialized] memset(relocs, 0, relocs_size); ^ scripts/sortextable.h:106:6: note: `relocs_size' was declared here int relocs_size; ^ gcc 4.9.1 Signed-off-by: Tim Gardner <tim.gardner@canonical.com> Reviewed-by: Jamie Iles <jamie.iles@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | scripts/headers_install.sh: fix error handlingJavier Barrio2014-10-141-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - headers_install requires at least two arguments - missed closing quote Signed-off-by: Javier Barrio <javier.barrio.mart@gmail.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: warn on logging functions with KERN_<LEVEL>Joe Perches2014-10-141-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Warn on probable misuses of logging functions with KERN_<LEVEL> like pr_err(KERN_ERR "foo\n"); Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: add exception to return then else testJoe Perches2014-10-141-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an exception to the return before else warning when the line following it is also a return like: if (foo) return bar; else return baz; This form of a test then return is at least as readable as if (foo) return bar; return baz; so don't emit a warning on the first form. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Al Viro <viro@ZenIV.linux.org.uk> Cc: Elshad Mustafayev <elshadimo@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: look for common misspellingsKees Cook2014-10-142-1/+1085
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Check for misspellings, based on Debian's lintian list. Several false positives were removed, and several additional words added that were common in the kernel: backword backwords invalide valide recieves singed unsinged While going back and fixing existing spelling mistakes isn't a high priority, it'd be nice to try to catch them before they hit the tree. In the 13830 commits between 3.15 and 3.16, the script would have noticed 560 spelling mistakes. The top 25 are shown here: $ git log --pretty=oneline v3.15..v3.16 | wc -l 13830 $ git log --format='%H' v3.15..v3.16 | \ while read commit ; do \ echo "commit $commit" ; \ git log --format=email --stat -p -1 $commit | \ ./scripts/checkpatch.pl --types=typo_spelling --no-summary - ; \ done | tee spell_v3.15..v3.16.txt | grep "may be misspelled" | \ awk '{print $2}' | tr A-Z a-z | sort | uniq -c | sort -rn 21 'seperate' 17 'endianess' 15 'sucess' 13 'noticable' 11 'occured' 11 'accomodate' 10 'interrup' 9 'prefered' 8 'unecessary' 8 'explicitely' 7 'supress' 7 'overriden' 7 'immediatly' 7 'funtion' 7 'defult' 7 'childs' 6 'succesful' 6 'splitted' 6 'specifc' 6 'reseting' 6 'recieve' 6 'changable' 5 'tmis' 5 'singed' 5 'preceeding' Thanks to Joe Perches for rewrites, suggestions, additional misspelling entries, and testing. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Joe Perches <joe@perches.com> Cc: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: warn on macros with flow control statementsJoe Perches2014-10-141-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Macros with flow control statements (goto and return) are not very nice to read as any flow movement is unexpected. Try to highlight them and emit a warning on their definition. Avoid warning on macros that use argument concatenation as those macros commonly create another function where the concatenation is used in the function name definition like: #define FOO_FUNC(name, rtn_type) \ rtn_type func##name(arg1, ...) \ { \ rtn_type rtn; \ [code...] \ return rtn; \ } Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: remove unnecessary + after {8,8}Joe Perches2014-10-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's a useless "+" use that needs to be removed as perl 5.20 emits a "Useless use of greediness modifier '+'" message each time it's hit. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Greg KH <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: add --strict test for concatenated string elementsJoe Perches2014-10-141-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using a space between concatenated string elements is easier for a human to read. ie: "String"FOO"bar" is easier to read as: "String" FOO "bar" So suggest this style with a --strict command line option. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: allow optional shorter config descriptionsVadim Bendebury2014-10-141-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This script is used by many other projects, and in some of them the requirement of at least 4 line long description for all Kconfig items is excessive. This patch adds a command line option to control the required minimum length. Tested running this script over a patch including a two line config description. The script generated a warning when invoked as is, and did not generate it when invoked with --min-conf-desc-length=2. Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Acked-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: enable whitespace checks for DTS filesGeert Uytterhoeven2014-10-141-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When run on *.dtsi or *.dts files, the whitespace checks were skipped, while they are valid for DTS files. Hence stop skipping them. I ran checkpatch on all in-tree DTS files, and didn't notice any error or warning messages that are inappropriate for DTS files. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: update $allowed_asm_includes macros, add reboot.h and time.hSergey Ryazanov2014-10-141-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several architectures (e.g. x86, MIPS, Blackfin) have asm/reboot.h and asm/time.h header files, which are not included in linux/reboot.h and linux/time.h headers. This lead to generation of false positive errors. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: remove debugging messageJoe Perches2014-10-141-1/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | An unnecessary --fix debugging left-over is removed. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | checkpatch: fix spelloAndrew Morton2014-10-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The plural of parenthesis is parentheses. Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2014-10-142-11/+0Star
|\ \ \ | |/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Martin Schwidefsky: "This patch set contains the main portion of the changes for 3.18 in regard to the s390 architecture. It is a bit bigger than usual, mainly because of a new driver and the vector extension patches. The interesting bits are: - Quite a bit of work on the tracing front. Uprobes is enabled and the ftrace code is reworked to get some of the lost performance back if CONFIG_FTRACE is enabled. - To improve boot time with CONFIG_DEBIG_PAGEALLOC, support for the IPTE range facility is added. - The rwlock code is re-factored to improve writer fairness and to be able to use the interlocked-access instructions. - The kernel part for the support of the vector extension is added. - The device driver to access the CD/DVD on the HMC is added, this will hopefully come in handy to improve the installation process. - Add support for control-unit initiated reconfiguration. - The crypto device driver is enhanced to enable the additional AP domains and to allow the new crypto hardware to be used. - Bug fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (39 commits) s390/ftrace: simplify enabling/disabling of ftrace_graph_caller s390/ftrace: remove 31 bit ftrace support s390/kdump: add support for vector extension s390/disassembler: add vector instructions s390: add support for vector extension s390/zcrypt: Toleration of new crypto hardware s390/idle: consolidate idle functions and definitions s390/nohz: use a per-cpu flag for arch_needs_cpu s390/vtime: do not reset idle data on CPU hotplug s390/dasd: add support for control unit initiated reconfiguration s390/dasd: fix infinite loop during format s390/mm: make use of ipte range facility s390/setup: correct 4-level kernel page table detection s390/topology: call set_sched_topology early s390/uprobes: architecture backend for uprobes s390/uprobes: common library for kprobes and uprobes s390/rwlock: use the interlocked-access facility 1 instructions s390/rwlock: improve writer fairness s390/rwlock: remove interrupt-enabling rwlock variant. s390/mm: remove change bit override support ...
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