]> git.baikalelectronics.ru Git - kernel.git/commit
drm/bridge: cdns: Fix PM reference leak in cdns_dsi_transfer()
authorZou Wei <zou_wei@huawei.com>
Mon, 24 May 2021 07:21:02 +0000 (15:21 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 19 Jul 2021 06:53:09 +0000 (08:53 +0200)
commit9e0ad350fff58c4ab7795d309e0a9ac11a797d42
treec67c52f90f30a24b0b28583c131ea3b9820822bb
parent8eb84fc4ee8e2d09afb72347eb92d960c1f49163
drm/bridge: cdns: Fix PM reference leak in cdns_dsi_transfer()

[ Upstream commit 33f90f27e1c5ccd648d3e78a1c28be9ee8791cf1 ]

pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1621840862-106024-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/bridge/cdns-dsi.c