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| author | Chaotian Jing <chaotian.jing@mediatek.com> | 2020-12-18 15:16:11 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-17 16:07:20 +0100 |
| commit | faac963f986cde5ada0dec1baaf50837415fba49 (patch) | |
| tree | 741a4a6f65a4fa99204a5d17efcc99199109a8cd /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 2d96044d2271f423a9ad009073a773debf52e793 (diff) | |
mmc: mediatek: fix race condition between msdc_request_timeout and irq
[ Upstream commit 0354ca6edd464a2cf332f390581977b8699ed081 ]
when get request SW timeout, if CMD/DAT xfer done irq coming right now,
then there is race between the msdc_request_timeout work and irq handler,
and the host->cmd and host->data may set to NULL in irq handler. also,
current flow ensure that only one path can go to msdc_request_done(), so
no need check the return value of cancel_delayed_work().
Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Link: https://lore.kernel.org/r/20201218071611.12276-1-chaotian.jing@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions