diff mbox series

[-next] usb: musb: fix PM reference leak in musb_irq_work()

Message ID 20210408091836.55227-1-cuibixuan@huawei.com
State New
Headers show
Series [-next] usb: musb: fix PM reference leak in musb_irq_work() | expand

Commit Message

Bixuan Cui April 8, 2021, 9:18 a.m. UTC
pm_runtime_get_sync will increment pm usage counter even it failed.
thus a pairing decrement is needed.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Bixuan Cui <cuibixuan@huawei.com>
---
 drivers/usb/musb/musb_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index fc0457db62e1..8f09a387b773 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2070,7 +2070,7 @@  static void musb_irq_work(struct work_struct *data)
 	struct musb *musb = container_of(data, struct musb, irq_work.work);
 	int error;
 
-	error = pm_runtime_get_sync(musb->controller);
+	error = pm_runtime_resume_and_get(musb->controller);
 	if (error < 0) {
 		dev_err(musb->controller, "Could not enable: %i\n", error);