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| author | Dinghao Liu <dinghao.liu@zju.edu.cn> | 2020-05-24 21:50:49 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-25 13:36:31 +0200 |
| commit | e4befc121df03dc8ed2ac1031c98f9538e244bae (patch) | |
| tree | 595552c47681f945812c324b28a3ed2d61cb0dde /drivers/usb/chipidea | |
| parent | 685f5f24108a5f3481da70ee75a1b18b9de34257 (diff) | |
| download | lwn-e4befc121df03dc8ed2ac1031c98f9538e244bae.tar.gz lwn-e4befc121df03dc8ed2ac1031c98f9538e244bae.zip | |
usb: musb: Fix runtime PM imbalance on error
When copy_from_user() returns an error code, there
is a runtime PM usage counter imbalance.
Fix this by moving copy_from_user() to the beginning
of this function.
Fixes: 7b6c1b4c0e1e ("usb: musb: fix runtime PM in debugfs")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Cc: stable@vger.kernel.org
Signed-off-by: Bin Liu <b-liu@ti.com>
Link: https://lore.kernel.org/r/20200525025049.3400-7-b-liu@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea')
0 files changed, 0 insertions, 0 deletions