ALSA: sgio2audio.c: clean up checking
vfree() does it's own 'NULL' check,so no need for check before calling it. Signed-off-by: NFigo.zhang <figo1802@gmail.com> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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vfree() does it's own 'NULL' check,so no need for check before calling it. Signed-off-by: NFigo.zhang <figo1802@gmail.com> Signed-off-by: NTakashi Iwai <tiwai@suse.de>