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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>
Behan Webster 12 년 전
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1개의 변경된 파일2개의 추가작업 그리고 1개의 파일을 삭제
  1. 2 1
      include/asm-generic/cmpxchg-local.h

+ 2 - 1
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