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>
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@ -981,8 +981,7 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
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PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control)));
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kfree(runtime->hw_constraints.rules);
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#ifdef CONFIG_SND_PCM_XRUN_DEBUG
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if (runtime->hwptr_log)
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kfree(runtime->hwptr_log);
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kfree(runtime->hwptr_log);
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#endif
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kfree(runtime);
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substream->runtime = NULL;
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