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authorXu Wang <vulab@iscas.ac.cn>2020-07-27 04:52:08 +0200
committerTakashi Iwai <tiwai@suse.de>2020-07-27 18:39:59 +0200
commit2e5a8e1527a8cea26c973ee4aa1840ceb674101e (patch)
tree8a1074d905c157943cd0c2a178245a8743991a5b /sound/usb
parentALSA: Replace the word "slave" in vmaster API (diff)
downloadlinux-2e5a8e1527a8cea26c973ee4aa1840ceb674101e.tar.xz
linux-2e5a8e1527a8cea26c973ee4aa1840ceb674101e.zip
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>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/endpoint.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 9bea7d3f99f8..c41ce983a4b1 100644
--- 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;