]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commita7a3526046d22d82a3e8c385c541cf4a39e56fda
treeb29b045d83d2cb5064aed5ed54b002735f61d582
parenta569a89e682e37a77822c4d766e9e7f7254fcbfa
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