tree 5aed3735550996fe909fc88b1a6562f0ec1f6131
parent 66673aace3d6fb5539c7e4c6c2bb589ffed51dab
author Nicholas Mc Guire <hofrat@osadl.org> 1531163800 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1536131915 +0200

can: mpc5xxx_can: check of_iomap return before use

[ Upstream commit b5c1a23b17e563b656cc9bb76ce5323b997d90e8 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>