From 2e5a8e1527a8cea26c973ee4aa1840ceb674101e Mon Sep 17 00:00:00 2001
From: Xu Wang <vulab@iscas.ac.cn>
Date: Mon, 27 Jul 2020 02:52:08 +0000
Subject: [PATCH] ALSA: usb-audio: endpoint : remove needless check before usb_free_coherent()
Git-commit: 2e5a8e1527a8cea26c973ee4aa1840ceb674101e
Patch-mainline: v5.9-rc1
References: bsc#1111666
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 | 5 ++---
1 file 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;
--
2.16.4