spi: spi-fsl-dspi: fix a possible NULL dereference
authorLABBE Corentin <clabbe.montjoie@gmail.com>
Tue, 16 Aug 2016 09:50:21 +0000 (11:50 +0200)
committerMark Brown <broonie@kernel.org>
Tue, 16 Aug 2016 11:26:59 +0000 (12:26 +0100)
commit53d89160753c7d32bb82d3bed980fd3dc3f2538a
tree4e1c2734720d918cddd2968831ac7c215a36569e
parent94b968b5a3e282edbdf21735edbeb93a5a1fa119
spi: spi-fsl-dspi: fix a possible NULL dereference

of_match_device could return NULL, and so cause a NULL pointer
dereference later.

For fixing this problem, we use of_device_get_match_data(), this will
simplify the code a little by using a standard function for
getting the match data.

Reported-by: coverity (CID 1324129)
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-fsl-dspi.c