media: usb: gspca: add a missed return-value check for do_command
authorKangjie Lu <kjlu@umn.edu>
Tue, 25 Dec 2018 06:31:21 +0000 (01:31 -0500)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Wed, 16 Jan 2019 16:24:35 +0000 (11:24 -0500)
commit5ceaf5452c1b2a452dadaf377f9f07af7bda9cc3
tree19682d3ad2cd3d6897ce03426cafb8710b40bf59
parent6f2c6afa79e0513d339871337bfc8c6c621d3ab1
media: usb: gspca: add a missed return-value check for do_command

do_command() may fail. The fix adds the missed return value of
do_command(). If it fails, returns its error code.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/usb/gspca/cpia1.c