From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH] crypto-jitterentropy: Delete unnecessary checks before the function call "kzfree" Date: Tue, 23 Jun 2015 23:20:21 +0200 Message-ID: <5589CD95.9080508@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.so urceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall To: "David S. Miller" , Herbert Xu , linux-crypto@vger.kernel.org Return-path: In-Reply-To: <5317A59D.4@users.sourceforge.net> Sender: kernel-janitors-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org From: Markus Elfring Date: Tue, 23 Jun 2015 22:30:21 +0200 The kzfree() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- crypto/jitterentropy.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/crypto/jitterentropy.c b/crypto/jitterentropy.c index d3c3045..22ded3e 100644 --- a/crypto/jitterentropy.c +++ b/crypto/jitterentropy.c @@ -698,11 +698,9 @@ static struct rand_data *jent_entropy_collector_alloc(unsigned int osr, static void jent_entropy_collector_free(struct rand_data *entropy_collector) { - if (entropy_collector->mem) - kzfree(entropy_collector->mem); + kzfree(entropy_collector->mem); entropy_collector->mem = NULL; - if (entropy_collector) - kzfree(entropy_collector); + kzfree(entropy_collector); entropy_collector = NULL; } -- 2.4.4