From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Sun, 04 Jan 2015 13:21:43 +0000 Subject: [PATCH 9/13] ALSA: i2sbus: Delete an unnecessary check before the function call "snd_pcm_suspend_all Message-Id: <54A93E67.8070105@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: Jaroslav Kysela , Johannes Berg , Takashi Iwai , alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Cc: Julia Lawall , kernel-janitors@vger.kernel.org, LKML From: Markus Elfring Date: Sat, 3 Jan 2015 20:43:01 +0100 The snd_pcm_suspend_all() 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/aoa/soundbus/i2sbus/core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c index 4e2b4fb..837ba99 100644 --- a/sound/aoa/soundbus/i2sbus/core.c +++ b/sound/aoa/soundbus/i2sbus/core.c @@ -381,10 +381,8 @@ static int i2sbus_suspend(struct macio_dev* dev, pm_message_t state) list_for_each_entry(i2sdev, &control->list, item) { /* Notify Alsa */ - if (i2sdev->sound.pcm) { - /* Suspend PCM streams */ - snd_pcm_suspend_all(i2sdev->sound.pcm); - } + /* Suspend PCM streams */ + snd_pcm_suspend_all(i2sdev->sound.pcm); /* Notify codecs */ list_for_each_entry(cii, &i2sdev->sound.codec_list, list) { -- 2.2.1