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* [CIFS] fix oops on second mount to same server when null auth is usedJeff Layton2007-11-102-1/+2
| | | | | | | | | | | | | | | | | | When a share is mounted using no username, cifs_mount sets volume_info.username as a NULL pointer, and the sesInfo userName as an empty string. The volume_info.username is passed to a couple of other functions to see if there is an existing unc or tcp connection that can be used. These functions assume that the username will be a valid string that can be passed to strncmp. If the pointer is NULL, then the kernel will oops if there's an existing session to which the string can be compared. This patch changes cifs_mount to set volume_info.username to an empty string in this situation, which prevents the oops and should make it so that the comparison to other null auth sessions match. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix stale mode after readdir when cifsacl specifiedSteve French2007-11-091-1/+7
| | | | | | | | | | | | | | | | | | When mounted with cifsacl mount option, readdir can not instantiate the inode with the estimated mode based on the ACL for each file since we have not queried for the ACL for each of these files yet. So set the refresh time to zero for these inodes so that the next stat will cause the client to go to the server for the ACL info so we can build the estimated mode (this means we also will issue an extra QueryPathInfo if the stat happens within 1 second, but this is trivial compared to the time required to open/getacl/close for each). ls -l is slower when cifsacl mount option is specified, but displays correct mode information. Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] add mode to acl conversion helper functionSteve French2007-11-083-3/+37
| | | | | Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix incorrect mode when ACL had deny access control entriesSteve French2007-11-081-9/+46
| | | | | | | | | | | | | | | | | | | | When mounted with the cifsacl mount option, we were treating any deny ACEs found like allow ACEs and it turns out for SFU and SUA Windows set these type of access control entries often. The order of ACEs is important too. The canonical order that most ACL tools and Windows explorer consruct ACLs with is to begin with DENY entries then follow with ALLOW, otherwise an allow entry could be encountered first, making the subsequent deny entry like "dead code which would be superflous since Windows stops when a match is made for the operation you are trying to perform for your user We start with no permissions in the mode and build up as we find permissions (ie allow ACEs). This fixes deny ACEs so they affect the mask used to set the subsequent allow ACEs. Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com> CC: Alexander Bokovoy <ab@samba.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Add uid to key description so krb can handle user mountsIgor Mammedov2007-11-081-4/+8
| | | | | | | | | Adds uid to key description fro supporting user mounts and minor formating changes Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Igor Mammedov <niallain@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix walking out end of cifs daclSteve French2007-11-057-14/+19
| | | | | Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Add upcall files for cifs to use spnego/kerberosSteve French2007-11-052-0/+170
| | | | | Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] add OIDs for KRB5 and MSKRB5 to ASN1 parsing routinesJeff Layton2007-11-033-13/+26
| | | | | | | | | | | | | Also, fix the parser to recognize them and set the secType accordingly. Make CIFSSMBNegotiate not error out automatically after parsing the securityBlob. Also thanks to Q (Igor) and Simo for their help on this set of kerberos patches (and Dave Howells for help on the upcall). Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Register and unregister cifs_spnego_key_type on module init/exitJeff Layton2007-11-031-2/+14
| | | | | Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] implement upcalls for SPNEGO blob via keyctl APIJeff Layton2007-11-033-2/+9
| | | | | | | | | | | | | | | Add routines to handle upcalls to userspace via keyctl for the purpose of getting a SPNEGO blob for a particular uid and server combination. Clean up the Makefile a bit and set it up to only compile cifs_spnego if CONFIG_CIFS_UPCALL is set. Also change CONFIG_CIFS_UPCALL to depend on CONFIG_KEYS rather than CONFIG_CONNECTOR. cifs_spnego.h defines the communications between kernel and userspace and is intended to be shared with userspace programs. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] allow cifs_calc_signature2 to deal with a zero length iovecJeff Layton2007-11-031-2/+3
| | | | | | | | Currently, cifs_calc_signature2 errors out if it gets a zero-length iovec. Fix it to silently continue in that case. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] If no Access Control Entries, set mode perm bits to zeroSteve French2007-11-013-23/+79
| | | | | | | Also clean up ACL code Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] when mount helper missing fix slash wrong direction in shareSteve French2007-11-012-6/+39
| | | | | | | | | | | | | | | | | | Kernel bugzilla bug #9228 If mount helper (mount.cifs) missing, mounts with form like //10.11.12.13/c$ would not work (only mounts with slash e.g. //10.11.12.13\\c$ would work) due to problem with slash supposed to be converted to backslash by the mount helper (which is not there). If we fail on converting an IPv4 address in in4_pton then try to canonicalize the first slash (ie between sharename and host ip address) if necessary. If we have to retry to check for IPv6 address the slash is already converted if necessary. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Don't request too much permission when reading an ACLSteve French2007-10-314-12/+48
| | | | | | | | | We were requesting GENERIC_READ but that fails when we do not have read permission on the file (even if we could read the ACL). Also move the dump access control entry code into debug ifdef. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] enable get mode from ACL when cifsacl mount option specifiedShirish Pargaonkar2007-10-302-8/+24
| | | | | | | | Part 9 of ACL patch series. getting mode from ACL now works in some cases (and requires CIFS_EXPERIMENTAL config option). Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] ACL support part 8Steve French2007-10-272-66/+73
| | | | | | | | Now GetACL in getinodeinfo path when cifsacl mount option used, and ACL is parsed for SIDs. Missing only one piece now to be able to retrieve the mode Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] acl support part 7Steve French2007-10-262-4/+19
| | | | | | Also fixes typo, build break Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] acl support part 6Steve French2007-10-2510-60/+169
| | | | | | Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com> CC: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] acl support part 6Steve French2007-10-233-65/+28Star
| | | | | CC: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] remove unused funtion compile warning when experimental offParag Warudkar2007-10-231-0/+2
| | | | | | | | | get rid of couple of unused function warnings which show up when CONFIG_CIFS_EXPERIMENTAL is not defined - wrap them in #ifdef CONFIG_CIFS_EXPERIMENTAL. Patch against current git. Signed-off-by: Parag Warudkar <kernel-stuff@comcast.net> Signed-off-by: Steve French <sfrench@us.ibm.com>
* Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6Steve French2007-10-22162-2256/+13625
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| * NFS: Fix a typo in nfs_call_unlink()Trond Myklebust2007-10-211-1/+1
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFSv2: Ensure that the directory metadata gets revalidated on file createTrond Myklebust2007-10-211-0/+1
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * Merge branch 'for-linus' of ↵Linus Torvalds2007-10-2161-317/+5669
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 * 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: Blackfin arch: update boards files Blackfin arch: dma add some API and cleanup bf54x DMA definition Blackfin arch: cleanup and promote the general purpose timers api to a core blackfin component Blackfin arch: add a cheesy install target Blackfin arch: add functions for converting between sclks and usecs Blackfin arch: add assembly function for doing 64bit unsigned division Blackfin arch: -mno-fdpic works Blackfin arch: use "char bfin_board_name[]" rather than "char *bfin_board_name" per discussion on lkml as the former uses less storage Blackfin arch: Fixing Bug: balance calls to get_task_mm with corresponding mmput calls Blackfin serial driver Kconfig: depend on DMA not being enabled rather than a specific DMA size Blackfin arch: Fix bug: missing CHIPID register field definition of BF54x Blackfin arch: Fix up /proc/cpuinfo so it is like everyone else Blackfin arch: Optimization - no need to make additional math here Blackfin arch: force irq_flags into the .data section Blackfin arch BF548 defconfig: enable watchdog by default Blackfin arch: add new processor ADSP-BF52x arch/mach support
| | * Blackfin arch: update boards filesBryan Wu2007-10-211-1/+1
| | | | | | | | | | | | | | | Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: dma add some API and cleanup bf54x DMA definitionBryan Wu2007-10-216-6/+34
| | | | | | | | | | | | | | | Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: cleanup and promote the general purpose timers api to a core ↵Mike Frysinger2007-10-216-211/+484
| | | | | | | | | | | | | | | | | | | | | | | | blackfin component Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: add a cheesy install targetMike Frysinger2007-10-212-0/+60
| | | | | | | | | | | | | | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: add functions for converting between sclks and usecsMike Frysinger2007-10-212-1/+15
| | | | | | | | | | | | | | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: add assembly function for doing 64bit unsigned divisionMike Frysinger2007-10-212-1/+376
| | | | | | | | | | | | | | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: -mno-fdpic worksMike Frysinger2007-10-211-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | now that -mno-fdpic works, force it on so that we can use any blackfin toolchain to build up the kernel and kernel modules wrap -mno-fdpic in $(call cc-option,-mno-fdpic) so that older toolchains will still work Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: use "char bfin_board_name[]" rather than "char ↵Mike Frysinger2007-10-2116-25/+25
| | | | | | | | | | | | | | | | | | | | | | | | *bfin_board_name" per discussion on lkml as the former uses less storage Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: Fixing Bug: balance calls to get_task_mm with corresponding ↵Bernd Schmidt2007-10-211-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | mmput calls We must balance calls to get_task_mm with corresponding mmput calls, otherwise refcounting is screwed up and mms don't get freed when their task exits. Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin serial driver Kconfig: depend on DMA not being enabled rather than ↵Mike Frysinger2007-10-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | a specific DMA size Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: Fix bug: missing CHIPID register field definition of BF54xBryan Wu2007-10-211-0/+4
| | | | | | | | | | | | | | | Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: Fix up /proc/cpuinfo so it is like everyone elseRobin Getz2007-10-211-39/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix up /proc/cpuinfo so it is like everyone else, and gets parsed by various applications properly. Still needs some tweaking on parts without full L1 sram, like 532, 531, so it doesn't print out L1 bank info that doesn't exist. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: Optimization - no need to make additional math hereMichael Hennerich2007-10-211-3/+3
| | | | | | | | | | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: force irq_flags into the .data sectionMike Frysinger2007-10-212-2/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | force irq_flags into the .data section by initializing it to the hardware masks that cannot be disabled. this way if we use irq enable/disable functions before the .bss has been zeroed out (as does our l1 relocate/dma functions), we dont hit a problem where bss contains bogus crap. Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch BF548 defconfig: enable watchdog by defaultMike Frysinger2007-10-211-1/+8
| | | | | | | | | | | | | | | | | | Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| | * Blackfin arch: add new processor ADSP-BF52x arch/mach supportMichael Hennerich2007-10-2129-37/+4590
| | | | | | | | | | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| * | Merge branch 'audit.b43' of ↵Linus Torvalds2007-10-2121-40/+1411
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current * 'audit.b43' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current: [PATCH] audit: watching subtrees [PATCH] new helper - inotify_evict_watch() [PATCH] new helper - inotify_clone_watch() [PATCH] new helpers - collect_mounts() and release_collected_mounts() [PATCH] pass dentry to audit_inode()/audit_inode_child()
| | * | [PATCH] audit: watching subtreesAl Viro2007-10-2110-10/+1310
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | New kind of audit rule predicates: "object is visible in given subtree". The part that can be sanely implemented, that is. Limitations: * if you have hardlink from outside of tree, you'd better watch it too (or just watch the object itself, obviously) * if you mount something under a watched tree, tell audit that new chunk should be added to watched subtrees * if you umount something in a watched tree and it's still mounted elsewhere, you will get matches on events happening there. New command tells audit to recalculate the trees, trimming such sources of false positives. Note that it's _not_ about path - if something mounted in several places (multiple mount, bindings, different namespaces, etc.), the match does _not_ depend on which one we are using for access. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | [PATCH] new helper - inotify_evict_watch()Al Viro2007-10-212-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | Kicks the watch out without dropping it. Called under ->inotify_mutex Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | [PATCH] new helper - inotify_clone_watch()Al Viro2007-10-212-0/+36
| | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | [PATCH] new helpers - collect_mounts() and release_collected_mounts()Al Viro2007-10-213-1/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Get a snapshot of a subtree, creating private clones of vfsmounts for all its components and release such snapshot resp. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | [PATCH] pass dentry to audit_inode()/audit_inode_child()Al Viro2007-10-218-30/+33
| | |/ | | | | | | | | | | | | | | | makes caller simpler *and* allows to scan ancestors Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * / nobh: nobh_write_end fixNick Piggin2007-10-211-2/+1Star
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | This path mustn't have been tested :( I did attempt to exercise it by injecting failures here, but I suspect PageMappedToDisk may have been getting in the way. Will need more of a look, although I think nobh mode is OK for an -rc1 (it shouldn't eat anyone's data). Commit 03158cd7eb3374843de68421142ca5900df845d9 ("fs: restore nobh") introcduced a NULL deref. Spotted by the Coverity checker. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Badari Pulavarty <pbadari@us.ibm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * Merge branch 'master' of ↵Linus Torvalds2007-10-2170-1886/+6524
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | hera.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6 * 'master' of hera.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6: (29 commits) [PARISC] fix uninitialized variable warning in asm/rtc.h [PARISC] Port checkstack.pl to parisc [PARISC] Make palo target work when $obj != $src [PARISC] Zap unused variable warnings in pci.c [PARISC] Fix tests in palo target [PARISC] Fix palo target [PARISC] Restore palo target [PARISC] Attempt to clean up parisc/Makefile [PARISC] Fix infinite loop in /proc/iomem [PARISC] Quiet sysfs_create_link __must_check warnings in pdc_stable [PARISC] Squelch pci_enable_device __must_check warning in superio [PARISC] Kill off broken irqstack code [PARISC] Remove hardcoded uses of PAGE_SIZE [PARISC] Clean up pointless ASM_PAGE_SIZE_DIV use [PARISC] Kill off the last vestiges of ASM_PAGE_SIZE [PARISC] Kill off ASM_PAGE_SIZE use [PARISC] Beautify parisc vmlinux.lds.S [PARISC] Clean up a resource_size_t warning in sba_iommu [PARISC] Kill incorrect cast warning in unwinder [PARISC] Kill zone_to_nid printk warning ... Fixed trivial conflict in include/asm-parisc/tlbflush.h manually
| | * [PARISC] fix uninitialized variable warning in asm/rtc.hKyle McMartin2007-10-201-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | get_rtc_time, in the case that PDC returns that the battery is bad, returns an unmodified rtc_time arg to the caller, which then uses uninitialized values. Fix this by memset-ing the arg with zeroes, so it will at least be cleared if we return failure. Spotted by John David Anglin. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
| | * [PARISC] Port checkstack.pl to pariscKyle McMartin2007-10-201-0/+3
| | | | | | | | | | | | Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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