[ALSA] usbusx2yaudio: kfree(NULL) is valid
if (!x) kfree(x); is not needed since kfree(NULL) is valid. Signed-off-by: Richard Knutsson <ricknu-0@student.ltu.se> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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1 changed files with 3 additions and 4 deletions
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@ -935,10 +935,9 @@ static struct snd_pcm_ops snd_usX2Y_pcm_ops =
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*/
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static void usX2Y_audio_stream_free(struct snd_usX2Y_substream **usX2Y_substream)
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{
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if (NULL != usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK]) {
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kfree(usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK]);
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usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK] = NULL;
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}
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kfree(usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK]);
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usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK] = NULL;
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kfree(usX2Y_substream[SNDRV_PCM_STREAM_CAPTURE]);
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usX2Y_substream[SNDRV_PCM_STREAM_CAPTURE] = NULL;
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}
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