]> git.baikalelectronics.ru Git - kernel.git/commit
mmc: core: Fix NULL ptr crash from mmc_should_fail_request
authorRitesh Harjani <riteshh@codeaurora.org>
Fri, 22 Feb 2019 13:51:34 +0000 (19:21 +0530)
committerUlf Hansson <ulf.hansson@linaro.org>
Wed, 27 Feb 2019 09:00:17 +0000 (10:00 +0100)
commit9418efa183d4f02948564f5d55b987b0aa7f685f
tree9d156ff32fb2359b9e4f1449ea7fe8e75c813769
parent6d141a124a37b9037ca7a592fcf4373b5efb36f4
mmc: core: Fix NULL ptr crash from mmc_should_fail_request

In case of CQHCI, mrq->cmd may be NULL for data requests (non DCMD).
In such case mmc_should_fail_request is directly dereferencing
mrq->cmd while cmd is NULL.
Fix this by checking for mrq->cmd pointer.

Fixes: 3538d3680b16 ("mmc: core: Add support for handling CQE requests")
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/core/core.c