From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Sun, 04 Jan 2015 13:00:22 +0000 Subject: [PATCH 4/13] ALSA: oxygen: Delete an unnecessary check before the function call "snd_pcm_suspend" Message-Id: <54A93966.7050900@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.sourceforge.net> <54A9355F.4050102@users.sourceforge.net> In-Reply-To: <54A9355F.4050102@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Clemens Ladisch , Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org Cc: Julia Lawall , kernel-janitors@vger.kernel.org, LKML From: Markus Elfring Date: Sat, 3 Jan 2015 17:37:28 +0100 The snd_pcm_suspend() 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/oxygen/oxygen_lib.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c index b67e306..61a62c0 100644 --- a/sound/pci/oxygen/oxygen_lib.c +++ b/sound/pci/oxygen/oxygen_lib.c @@ -736,8 +736,7 @@ static int oxygen_pci_suspend(struct device *dev) snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); for (i = 0; i < PCM_COUNT; ++i) - if (chip->streams[i]) - snd_pcm_suspend(chip->streams[i]); + snd_pcm_suspend(chip->streams[i]); if (chip->model.suspend) chip->model.suspend(chip); -- 2.2.1