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Subject[PATCH] usb:phy: propagate __of_usb_find_phy()'s error on failure
Date
When __of_usb_find_phy() fails, it returns -ENODEV - its
error code has to be returned by devm_usb_get_phy_by_phandle().
Only when the former function succeeds and try_module_get()
fails should -EPROBE_DEFER be returned.

Signed-off-by: Arjun Sreedharan <arjun024@gmail.com>
---
drivers/usb/phy/phy.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index 045cd30..0310112 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -191,7 +191,9 @@ struct usb_phy *devm_usb_get_phy_by_phandle(struct device *dev,

phy = __of_usb_find_phy(node);
if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {
- phy = ERR_PTR(-EPROBE_DEFER);
+ if (!IS_ERR(phy))
+ phy = ERR_PTR(-EPROBE_DEFER);
+
devres_free(ptr);
goto err1;
}
--
1.7.11.7


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