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authorBehan Webster <behanw@converseincode.com>2012-11-20 21:19:50 +0100
committerBehan Webster <behanw@converseincode.com>2014-03-31 00:07:17 -0700
commite1630d721ff9fa9c386dd78c5e9277472fcd2abe (patch)
tree1f0b860d97c7707c8eb1ef5acb1d6132c04ed768 /include/asm-generic
parent58eac7b2727a784c5f5ede785390ade8c6ed6a39 (diff)
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')
-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 d8d4c898c1b..70bef78912b 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