usb: musb: fix PM reference leak in musb_irq_work()
authorBixuan Cui <cuibixuan@huawei.com>
Thu, 8 Apr 2021 09:18:36 +0000 (17:18 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 11 May 2021 12:47:20 +0000 (14:47 +0200)
commite82da9b21fedb455b23bcb5511cbde82ad6ed7d5
tree5fb9eefe7ee33332aa05ae1bebc329f50dd1c15f
parent015f3f25213ea69d4106f488559b088dcc67b3f4
usb: musb: fix PM reference leak in musb_irq_work()

[ Upstream commit 9535b99533904e9bc1607575aa8e9539a55435d7 ]

pm_runtime_get_sync will increment pm usage counter even it failed.
thus a pairing decrement is needed.
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: Bixuan Cui <cuibixuan@huawei.com>
Link: https://lore.kernel.org/r/20210408091836.55227-1-cuibixuan@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/usb/musb/musb_core.c