diff options
| author | Dinghao Liu <dinghao.liu@zju.edu.cn> | 2021-04-12 13:49:07 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-16 12:01:35 +0200 |
| commit | 2f523cd4a9311cba629facc7d353eabbd492bd5b (patch) | |
| tree | 99cb9e857f36079605bb2486b39883363d789040 /drivers/usb | |
| parent | 1e5cab50208c8fb7351b798cb1d569debfeb994a (diff) | |
usb: cdns3: Fix runtime PM imbalance on error
[ Upstream commit 07adc0225484fc199e3dc15ec889f75f498c4fca ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/cdns3/gadget.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 0aa85cc07ff1..c24c0e3440e3 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -3255,8 +3255,10 @@ static int __cdns3_gadget_init(struct cdns3 *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 |