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usb: phy: return -ENODEV on failure of try_module_get
author
Arjun Sreedharan
<arjun024@gmail.com>
Mon, 18 Aug 2014 05:47:33 +0000
(11:17 +0530)
committer
Felipe Balbi
<balbi@ti.com>
Tue, 19 Aug 2014 14:21:28 +0000
(09:21 -0500)
When __usb_find_phy_dev() does not return error and
try_module_get() fails, return -ENODEV.
Signed-off-by: Arjun Sreedharan <arjun024@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
drivers/usb/phy/phy.c
patch
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diff --git
a/drivers/usb/phy/phy.c
b/drivers/usb/phy/phy.c
index
6d0f608
..
045cd30
100644
(file)
--- a/
drivers/usb/phy/phy.c
+++ b/
drivers/usb/phy/phy.c
@@
-232,6
+232,9
@@
struct usb_phy *usb_get_phy_dev(struct device *dev, u8 index)
phy = __usb_find_phy_dev(dev, &phy_bind_list, index);
if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {
dev_dbg(dev, "unable to find transceiver\n");
+ if (!IS_ERR(phy))
+ phy = ERR_PTR(-ENODEV);
+
goto err0;
}