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 030102c..61798f8 100644 (file)
--- 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;