The return value of pm_runtime_resume_and_get() needs to be checked to
avoid a usage count imbalance in the error case. This fix is basically
the same as
92c959bae2e5 ("reset: renesas: Fix Runtime PM usage"),
and the last step before pm_runtime_resume_and_get() can be annotated
as __must_check.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/9fed506d-b780-55cd-45a4-9bd2407c910f@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
reset_control_deassert(ssi->rstc);
pm_runtime_enable(&pdev->dev);
- pm_runtime_resume_and_get(&pdev->dev);
+ ret = pm_runtime_resume_and_get(&pdev->dev);
+ if (ret < 0) {
+ pm_runtime_disable(ssi->dev);
+ reset_control_assert(ssi->rstc);
+ return dev_err_probe(ssi->dev, ret, "pm_runtime_resume_and_get failed\n");
+ }
spin_lock_init(&ssi->lock);
dev_set_drvdata(&pdev->dev, ssi);