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authorSachin Kamat <sachin.kamat@linaro.org>2012-11-21 14:36:57 +0530
committerTakashi Iwai <tiwai@suse.de>2012-11-21 10:43:52 +0100
commit27b2a22c714303d1920e269a8322ff23107694ee (patch)
tree76f06bcdd9975d8223e23a075ad3a697b8e5441d /sound/usb/6fire
parent6cf95152079d7c6d7ba6442be45e02b24bbb1c65 (diff)
downloadlinux-27b2a22c714303d1920e269a8322ff23107694ee.tar.bz2
ALSA: usb/6fire: Fix potential NULL pointer dereference in comm.c
'rt' was dereferenced before the NULL check. Moved the code after the check. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/6fire')
-rw-r--r--sound/usb/6fire/comm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/usb/6fire/comm.c b/sound/usb/6fire/comm.c
index 6c3d531a250e..1a75c36932d8 100644
--- a/sound/usb/6fire/comm.c
+++ b/sound/usb/6fire/comm.c
@@ -129,12 +129,13 @@ int __devinit usb6fire_comm_init(struct sfire_chip *chip)
{
struct comm_runtime *rt = kzalloc(sizeof(struct comm_runtime),
GFP_KERNEL);
- struct urb *urb = &rt->receiver;
+ struct urb *urb;
int ret;
if (!rt)
return -ENOMEM;
+ urb = &rt->receiver;
rt->serial = 1;
rt->chip = chip;
usb_init_urb(urb);