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(parent: 2d3a928) | patch
spi: ti-qspi: Make sure res_mmap != NULL before dereferencing it
authorBoris Brezillon <boris.brezillon@bootlin.com>
Mon, 14 May 2018 09:11:29 +0000 (11:11 +0200)
committerMark Brown <broonie@kernel.org>
Thu, 17 May 2018 04:36:00 +0000 (13:36 +0900)
commit72549b1226799e405d15a019640474b877819951
treecaf37309a29de025cc9785ab99b8d0914ad82a47tree | snapshot
parent2d3a928105147bcaec1ed4e2e6afedcd34670917commit | diff
spi: ti-qspi: Make sure res_mmap != NULL before dereferencing it

resource_size() is dereferencing the res without checking that it is
not NULL, so we need to do the check before calling resource_size().

Fixes: e2d72387eba3 ("spi: ti-qspi: Implement the spi_mem interface")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-ti-qspi.c diff | blob | history
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