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ALSA: sb: Delete an unnecessary check before the function call "snd_emux_free"

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The snd_emux_free() 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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Markus Elfring 2015-01-03 21:02:32 +01:00 committed by Takashi Iwai
parent aa57b93b27
commit b76c0e95ab
1 changed files with 1 additions and 2 deletions
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3
sound/isa/sb/emu8000_synth.c
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@ -103,8 +103,7 @@ static int snd_emu8000_delete_device(struct snd_seq_device *dev)
hw = dev->driver_data;
if (hw->pcm)
snd_device_free(dev->card, hw->pcm);
if (hw->emu)
snd_emux_free(hw->emu);
snd_emux_free(hw->emu);
snd_util_memhdr_free(hw->memhdr);
hw->emu = NULL;
hw->memhdr = NULL;