From: Sachin Kamat <sachin.kamat@linaro.org>
Date: Wed, 21 Nov 2012 09:06:54 +0000 (+0530)
Subject: ALSA: PCM: Remove redundant null check before kfree
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=51d503de0210a2b800efdedee23580011f5422c3;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ALSA: PCM: Remove redundant null check before kfree

kfree on a null pointer is a no-op.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 030102caeee9..61798f85d030 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -981,8 +981,7 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
 		       PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control)));
 	kfree(runtime->hw_constraints.rules);
 #ifdef CONFIG_SND_PCM_XRUN_DEBUG
-	if (runtime->hwptr_log)
-		kfree(runtime->hwptr_log);
+	kfree(runtime->hwptr_log);
 #endif
 	kfree(runtime);
 	substream->runtime = NULL;