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| author | Dinghao Liu <[email protected]> | 2020-05-25 02:50:49 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2020-05-25 11:36:31 +0000 |
| commit | e4befc121df03dc8ed2ac1031c98f9538e244bae (patch) | |
| tree | 595552c47681f945812c324b28a3ed2d61cb0dde /drivers/usb/class/cdc-acm.c | |
| parent | usb: musb: jz4740: Prevent lockup when CONFIG_SMP is set (diff) | |
| download | kernel-e4befc121df03dc8ed2ac1031c98f9538e244bae.tar.gz kernel-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 <[email protected]>
Cc: [email protected]
Signed-off-by: Bin Liu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
0 files changed, 0 insertions, 0 deletions