reset: renesas: Fix Runtime PM usage
authorHeiner Kallweit <hkallweit1@gmail.com>
Wed, 15 Dec 2021 10:14:23 +0000 (11:14 +0100)
committerPhilipp Zabel <p.zabel@pengutronix.de>
Wed, 15 Dec 2021 10:20:30 +0000 (11:20 +0100)
commit92c959bae2e54ba1e2540ba5f813f7752bd76be1
treed2cc78c6099691e87438734de84d7fed96128810
parent69125b4b9440be015783312e1b8753ec96febde0
reset: renesas: Fix Runtime PM usage

If pm_runtime_resume_and_get() fails then it returns w/o the RPM usage
counter being incremented. In this case call pm_runtime_put() in
remove() will result in a usage counter imbalance. Therefore check the
return code of pm_runtime_resume_and_get() and bail out in case of error.

Fixes: bee08559701f ("reset: renesas: Add RZ/G2L usbphy control driver")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/ec24e13f-0530-b091-7a08-864577b9b3be@gmail.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
drivers/reset/reset-rzg2l-usbphy-ctrl.c