can: peak_usb: pcan_usb_get_device_id(): read value only in case of success
authorStephane Grosjean <s.grosjean@peak-system.com>
Fri, 25 Jun 2021 13:09:27 +0000 (15:09 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Sun, 25 Jul 2021 09:36:28 +0000 (11:36 +0200)
commit1d0214a0f5db10d5dc37f4da980786cd094ae3e4
tree58fe427101a1e471dd2d4087e07a87270708cecd
parent805ff68c8e7f4d78b47bda16a503da0c4bcbd9d0
can: peak_usb: pcan_usb_get_device_id(): read value only in case of success

In case of error, reading value from response argument is useless.

Link: https://lore.kernel.org/r/20210625130931.27438-2-s.grosjean@peak-system.com
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/usb/peak_usb/pcan_usb.c