From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Mon, 17 Nov 2014 13:15:01 +0000 Subject: ASoC: omap-mcbsp: Deletion of an unnecessary check before the function call "kfree" Message-Id: <5469F4D5.9050908@users.sourceforge.net> List-Id: 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> In-Reply-To: <5317A59D.4@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Jarkko Nikula , Jaroslav Kysela , Liam Girdwood , Mark Brown , Peter Ujfalusi , Takashi Iwai , linux-omap@vger.kernel.org, alsa-devel@alsa-project.org Cc: LKML , kernel-janitors@vger.kernel.org, Coccinelle From: Markus Elfring Date: Mon, 17 Nov 2014 14:05:27 +0100 The kfree() 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 --- sound/soc/omap/mcbsp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c index 86c7538..68a1252 100644 --- a/sound/soc/omap/mcbsp.c +++ b/sound/soc/omap/mcbsp.c @@ -621,8 +621,7 @@ void omap_mcbsp_free(struct omap_mcbsp *mcbsp) mcbsp->reg_cache = NULL; spin_unlock(&mcbsp->lock); - if (reg_cache) - kfree(reg_cache); + kfree(reg_cache); } /* -- 2.1.3