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| author | Behan Webster | 2012-11-20 21:19:50 +0100 |
|---|---|---|
| committer | Behan Webster | 2014-04-09 22:44:35 +0200 |
| commit | aa93685afbefa0e31af3a0a03ff97b37ee92a90b (patch) | |
| tree | 8a8017bb86e4d29a124fa12901679c20376443af /include/asm-generic/cmpxchg-local.h | |
| parent | kbuild: LLVMLinux: Fix LINUX_COMPILER definition script for compilation with ... (diff) | |
| download | kernel-qcow2-linux-aa93685afbefa0e31af3a0a03ff97b37ee92a90b.tar.gz kernel-qcow2-linux-aa93685afbefa0e31af3a0a03ff97b37ee92a90b.tar.xz kernel-qcow2-linux-aa93685afbefa0e31af3a0a03ff97b37ee92a90b.zip | |
LLVMLinux: Remove warning about returning an uninitialized variable
Fix uninitialized return code in default case in cmpxchg-local.h
This patch fixes the code to prevent an uninitialized return value that is detected
when compiling with clang. The bug produces numerous warnings when compiling the
Linux kernel with clang.
Signed-off-by: Behan Webster <behanw@converseincode.com>
Signed-off-by: Mark Charlebois <charlebm@gmail.com>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'include/asm-generic/cmpxchg-local.h')
| -rw-r--r-- | include/asm-generic/cmpxchg-local.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-generic/cmpxchg-local.h b/include/asm-generic/cmpxchg-local.h index d8d4c898c1bb..70bef78912b7 100644 --- a/include/asm-generic/cmpxchg-local.h +++ b/include/asm-generic/cmpxchg-local.h @@ -4,7 +4,8 @@ #include <linux/types.h> #include <linux/irqflags.h> -extern unsigned long wrong_size_cmpxchg(volatile void *ptr); +extern unsigned long wrong_size_cmpxchg(volatile void *ptr) + __noreturn; /* * Generic version of __cmpxchg_local (disables interrupts). Takes an unsigned |