tree 524e2c7e45929ce402250b1870b6139fa92ef5ed
parent 78b83e797576b55a819d7193057bc81b1e6a0dc0
author Peng Hao <richard.peng@oppo.com> 1590139765 +0000
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1591165177 +0200

mmc: block: Fix use-after-free issue for rpmb

[ Upstream commit 202500d21654874aa03243e91f96de153ec61860 ]

The data structure member “rpmb->md” was passed to a call of the function
“mmc_blk_put” after a call of the function “put_device”. Reorder these
function calls to keep the data accesses consistent.

Fixes: 1c87f7357849 ("mmc: block: Fix bug when removing RPMB chardev ")
Signed-off-by: Peng Hao <richard.peng@oppo.com>
Cc: stable@vger.kernel.org
[Uffe: Fixed up mangled patch and updated commit message]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>