Commit 4cd69b98 authored Aug 15, 2008 by Huang Ying Committed by Linus Torvalds Aug 15, 2008

kexec: fix compilation warning on xchg(&kexec_lock, 0) in kernel_kexec()



kernel/kexec.c: In function 'kernel_kexec':
kernel/kexec.c:1506: warning: value computed is not used

Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent ce289e89

kernel/kexec.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1503,7 +1503,8 @@ int kernel_kexec(void)
		}

		Unlock:
		xchg(&kexec_lock, 0);
		if (!xchg(&kexec_lock, 0))
		BUG();

		return error;
		}