Xu Wang 2e5a8e1527 ALSA: usb-audio: endpoint : remove needless check before usb_free_coherent()
usb_free_coherent() is safe with NULL addr and this check is
not required.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Link: https://lore.kernel.org/r/20200727025208.8739-1-vulab@iscas.ac.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-07-27 18:39:59 +02:00
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