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(parent: 5cf6ff5) | patch
usb: core: hub: Fix PM reference leak in usb_port_resume()
authorBixuan Cui <cuibixuan@huawei.com>
Thu, 8 Apr 2021 13:08:31 +0000 (21:08 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 9 Apr 2021 14:03:25 +0000 (16:03 +0200)
commit47060a717385c53f79025f9c971bb6bd19d52e11
treeb29b045d83d2cb5064aed5ed54b002735f61d582tree | snapshot
parent5cf6ff50d18d71336af78146cea4cc1b9ea62692commit | diff
usb: core: hub: Fix PM reference leak in usb_port_resume()

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/20210408130831.56239-1-cuibixuan@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/core/hub.c diff | blob | history
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