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| /openbmc/linux/drivers/reset/ |
| H A D | reset-rzg2l-usbphy-ctrl.c | b381e0f9 Wed Dec 15 04:14:23 CST 2021 Heiner Kallweit <hkallweit1@gmail.com> reset: renesas: Fix Runtime PM usage
commit 92c959bae2e54ba1e2540ba5f813f7752bd76be1 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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