]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commitcacc1991fe53a74a06c630af9820baf0c30be4dd
treecaf37309a29de025cc9785ab99b8d0914ad82a47
parent74ec9b0ed4e33c36e5e13710fcf12fd236a06339
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: 354702bbd24d ("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