Commit 9535b995 authored by Bixuan Cui's avatar Bixuan Cui Committed by Greg Kroah-Hartman
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usb: musb: fix PM reference leak in musb_irq_work() 



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: default avatarHulk Robot <hulkci@huawei.com>
Signed-off-by: default avatarBixuan Cui <cuibixuan@huawei.com>
Link: https://lore.kernel.org/r/20210408091836.55227-1-cuibixuan@huawei.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a932ee40

drivers/usb/musb/musb_core.c

+1 −1
Original line number Diff line number Diff line
@@ -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);