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(parent: 5603731) | patch
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)
commite5723f95d6b493dd437f1199cacb41459713b32f
tree9d156ff32fb2359b9e4f1449ea7fe8e75c813769tree | snapshot
parent5603731a15ef9ca317c122cc8c959f1dee1798b4commit | diff
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: 72a5af554df8 ("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 diff | blob | history
John Crispins staging tree