diff options
| author | Dinghao Liu <dinghao.liu@zju.edu.cn> | 2021-04-12 08:49:07 +0300 |
|---|---|---|
| committer | Peter Chen <peter.chen@kernel.org> | 2021-05-11 09:15:41 +0300 |
| commit | 07adc0225484fc199e3dc15ec889f75f498c4fca (patch) | |
| tree | e079b303cfd20aaa8680ae7bdf4bc126ce4faf0c /drivers/usb/cdns3 | |
| parent | 6efb943b8616ec53a5e444193dccf1af9ad627b5 (diff) | |
| download | linux-07adc0225484fc199e3dc15ec889f75f498c4fca.tar.xz | |
usb: cdns3: Fix runtime PM imbalance on error
When cdns3_gadget_start() fails, a pairing PM usage counter
decrement is needed to keep the counter balanced.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20210412054908.7975-1-dinghao.liu@zju.edu.cn
Signed-off-by: Peter Chen <peter.chen@kernel.org>
Diffstat (limited to 'drivers/usb/cdns3')
| -rw-r--r-- | drivers/usb/cdns3/cdns3-gadget.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c index 9b1bd417cec0..a8b7b50abf64 100644 --- a/drivers/usb/cdns3/cdns3-gadget.c +++ b/drivers/usb/cdns3/cdns3-gadget.c @@ -3268,8 +3268,10 @@ static int __cdns3_gadget_init(struct cdns *cdns) pm_runtime_get_sync(cdns->dev); ret = cdns3_gadget_start(cdns); - if (ret) + if (ret) { + pm_runtime_put_sync(cdns->dev); return ret; + } /* * Because interrupt line can be shared with other components in |