can: mpc5xxx_can: check of_iomap return before use
authorNicholas Mc Guire <hofrat@osadl.org>
Mon, 9 Jul 2018 19:16:40 +0000 (21:16 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Mon, 23 Jul 2018 12:34:45 +0000 (14:34 +0200)
commitb5c1a23b17e563b656cc9bb76ce5323b997d90e8
tree7b7f740c93b5c8284eb2f464b2922a17496b8412
parent393753b217f05474e714aea36c37501546ed1202
can: mpc5xxx_can: check of_iomap return before use

of_iomap() can return NULL so that return needs to be checked and NULL
treated as failure. While at it also take care of the missing
of_node_put() in the error path.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: commit afa17a500a36 ("net/can: add driver for mscan family & mpc52xx_mscan")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/mscan/mpc5xxx_can.c