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authorBehan Webster <behanw@converseincode.com>2012-11-21 00:19:50 +0400
committerBehan Webster <behanw@converseincode.com>2014-04-10 00:44:35 +0400
commitaa93685afbefa0e31af3a0a03ff97b37ee92a90b (patch)
tree8a8017bb86e4d29a124fa12901679c20376443af /include
parentdb46293bc6866a9bcffc9cb5b1ae9c46e4f83fa7 (diff)
downloadlinux-aa93685afbefa0e31af3a0a03ff97b37ee92a90b.tar.xz
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')
-rw-r--r--include/asm-generic/cmpxchg-local.h3
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