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Date: Wed, 06 Feb 2013 16:44:35 +0800 From: Chen Gang <gang.chen@...anux.com> To: akpm@...ux-foundation.org, keescook@...omium.org, serge.hallyn@...onical.com, gorcunov@...nvz.org, ebiederm@...ssion.com, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: [PATCH] kernel: arg2 is unsigned long which is never < 0 arg2 will never < 0, for its type is 'unsigned long' so delete the waste code. Signed-off-by: Chen Gang <gang.chen@...anux.com> --- kernel/sys.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/sys.c b/kernel/sys.c index 24d1ef5..568b9ca 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -2027,7 +2027,7 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3, error = get_dumpable(me->mm); break; case PR_SET_DUMPABLE: - if (arg2 < 0 || arg2 > 1) { + if (arg2 > 1) { error = -EINVAL; break; } -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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