iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

usb: dwc3: pci: Fix pm_runtime_get_sync() error checking

Browse Source 
[ Upstream commit a03e2ddab8e735e2cc315609b297b300e9cc60d2 ]

If the device is already in a runtime PM enabled state
pm_runtime_get_sync() will return 1, so a test for negative
value should be used to check for errors.

Fixes: 8eed00b237a28 ("usb: dwc3: pci: Runtime resume child device from wq")
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20220422062652.10575-1-zhengyongjun3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zheng Yongjun 2022-04-22 06:26:52 +00:00 committed by Greg Kroah-Hartman
parent 8ae4fed195
commit 2a1bf8e5ad
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/dwc3/dwc3-pci.c
View File

@ -213,7 +213,7 @@ static void dwc3_pci_resume_work(struct work_struct *work)
int ret;
ret = pm_runtime_get_sync(&dwc3->dev);
if (ret) {
if (ret < 0) {
pm_runtime_put_sync_autosuspend(&dwc3->dev);
return;
}