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ALSA: usb-audio: endpoint : remove needless check before usb_free_coherent()
author
Xu Wang
<vulab@iscas.ac.cn>
Mon, 27 Jul 2020 02:52:08 +0000
(
02:52
+0000)
committer
Takashi Iwai
<tiwai@suse.de>
Mon, 27 Jul 2020 16:39:59 +0000
(18:39 +0200)
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>
sound/usb/endpoint.c
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diff --git
a/sound/usb/endpoint.c
b/sound/usb/endpoint.c
index
9bea7d3
..
c41ce98
100644
(file)
--- a/
sound/usb/endpoint.c
+++ b/
sound/usb/endpoint.c
@@
-615,9
+615,8
@@
static void release_urbs(struct snd_usb_endpoint *ep, int force)
for (i = 0; i < ep->nurbs; i++)
release_urb_ctx(&ep->urb[i]);
- if (ep->syncbuf)
- usb_free_coherent(ep->chip->dev, SYNC_URBS * 4,
- ep->syncbuf, ep->sync_dma);
+ usb_free_coherent(ep->chip->dev, SYNC_URBS * 4,
+ ep->syncbuf, ep->sync_dma);
ep->syncbuf = NULL;
ep->nurbs = 0;