From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH 1/1] ALSA: echoaudio: Deletion of a check before release_and_free_resource() Date: Tue, 02 Dec 2014 18:38:25 +0100 Message-ID: <547DF911.9040008@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 Return-path: In-Reply-To: <5317A59D.4@users.sourceforge.net> Sender: linux-kernel-owner@vger.kernel.org To: Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall List-Id: alsa-devel@alsa-project.org From: Markus Elfring Date: Tue, 2 Dec 2014 18:34:45 +0100 The release_and_free_resource() 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/pci/echoaudio/echoaudio.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index 60e4003..21228ad 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -1875,8 +1875,7 @@ static int snd_echo_free(struct echoaudio *chip) if (chip->dsp_registers) iounmap(chip->dsp_registers); - if (chip->iores) - release_and_free_resource(chip->iores); + release_and_free_resource(chip->iores); pci_disable_device(chip->pci); -- 2.1.3