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LLVMLinux: Remove warning about returning an uninitialized variable

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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>
This commit is contained in:
Behan Webster 2012-11-20 21:19:50 +01:00
parent db46293bc6
commit aa93685afb
1 changed files with 2 additions and 1 deletions
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3
include/asm-generic/cmpxchg-local.h
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@ -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