AcoSail/kernel_optimize_test
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driver core: Respect all error codes from dev_pm_domain_attach()

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The limitation of being able to check only for -EPROBE_DEFER from
dev_pm_domain_attach() has been removed. Hence let's respect all error
codes and bail out accordingly.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Ulf Hansson 2018-04-26 10:53:06 +02:00 committed by Rafael J. Wysocki
parent d21bc89eb9
commit 88a9769e60
1 changed files with 8 additions and 9 deletions
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17
drivers/base/platform.c
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@ -572,17 +572,16 @@ static int platform_drv_probe(struct device *_dev)
return ret;
ret = dev_pm_domain_attach(_dev, true);
if (ret != -EPROBE_DEFER) {
if (drv->probe) {
ret = drv->probe(dev);
if (ret)
dev_pm_domain_detach(_dev, true);
} else {
/* don't fail if just dev_pm_domain_attach failed */
ret = 0;
}
if (ret)
goto out;
if (drv->probe) {
ret = drv->probe(dev);
if (ret)
dev_pm_domain_detach(_dev, true);
}
out:
if (drv->prevent_deferred_probe && ret == -EPROBE_DEFER) {
dev_warn(_dev, "probe deferral not supported\n");
ret = -ENXIO;