On Fri, May 22, 2020 at 01:22:24PM +0800, dinghao@zju.edu.cn wrote:
> Sorry, it's my carelessness. In v1 I added pm_runtime_put_autosuspend()
> after copy_from_user() to fix this problem. Since copy_from_user() is
> moved to the beginning now, we need not to add PM decrement.
THat's fine,
Sorry, it's my carelessness. In v1 I added pm_runtime_put_autosuspend()
after copy_from_user() to fix this problem. Since copy_from_user() is
moved to the beginning now, we need not to add PM decrement.
Regards,
Dinghao
> On Fri, May 22, 2020 at 10:59:02AM +0800, Dinghao Liu wrote:
> > When
On Fri, May 22, 2020 at 10:59:02AM +0800, Dinghao Liu wrote:
> 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.
>
> Signed-off-by: Dinghao Liu
> ---
>
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.
Signed-off-by: Dinghao Liu
---
drivers/usb/musb/musb_debugfs.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
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