[PATCH 07/11] driver core: Respect all error codes from dev_pm_domain_attach()
Ulf Hansson
ulf.hansson at linaro.org
Thu Apr 26 01:53:06 PDT 2018
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.
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Signed-off-by: Ulf Hansson <ulf.hansson at linaro.org>
---
drivers/base/platform.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 8075ddc..9460139 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -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;
--
2.7.4
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