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[9/13] ALSA: i2sbus: Delete an unnecessary check before the function call "snd_pcm_suspend_all"

Message ID 54A93E67.8070105@users.sourceforge.net (mailing list archive)
State Accepted
Commit aa57b93b27eae1156c9a66a4ea85076f9a38d135
Headers show

Commit Message

SF Markus Elfring Jan. 4, 2015, 1:21 p.m. UTC 
From: Markus Elfring <elfring@users.sourceforge.net>
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 <elfring@users.sourceforge.net>
---
 sound/aoa/soundbus/i2sbus/core.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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Patch

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) {