media: usbvision: fix a potential NULL pointer dereference
authorKangjie Lu <kjlu@umn.edu>
Sat, 9 Mar 2019 07:42:26 +0000 (02:42 -0500)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Fri, 29 Mar 2019 11:42:56 +0000 (07:42 -0400)
commitf8ee34c3e77afd8cfc13f98e326325f17494f1e5
treef58d15f180a2c6a99146e0eb7cc16990254f8c13
parentaeb0d0f581e2079868e64a2e5ee346d340376eae
media: usbvision: fix a potential NULL pointer dereference

In case usb_alloc_coherent fails, the fix returns -ENOMEM to
avoid a potential NULL pointer dereference.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/usb/usbvision/usbvision-core.c