From mboxrd@z Thu Jan 1 00:00:00 1970 From: elfring@users.sourceforge.net (SF Markus Elfring) Date: Sun, 16 Nov 2014 14:28:23 +0100 Subject: [Cocci] [PATCH 1/1] kernel-power: Deletion of an unnecessary check before the function call "vfree" In-Reply-To: <5317A59D.4@users.sourceforge.net> References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> Message-ID: <5468A677.1030004@users.sourceforge.net> To: cocci@systeme.lip6.fr List-Id: cocci@systeme.lip6.fr From: Markus Elfring Date: Sun, 16 Nov 2014 14:18:28 +0100 The vfree() function performs also input parameter validation. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- kernel/power/swap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/power/swap.c b/kernel/power/swap.c index aaa3261..337c7a9 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -1374,7 +1374,7 @@ out_clean: kthread_stop(data[thr].thr); vfree(data); } - if (page) vfree(page); + vfree(page); return ret; } -- 2.1.3