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author | Arjun Sreedharan <arjun024@gmail.com> | 2014-08-18 11:17:33 +0530 |
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committer | Luis Henriques <luis.henriques@canonical.com> | 2014-11-03 10:50:19 +0000 |
commit | 774c6ae424326716eaea92d4ad58df9bf0e5a5a7 (patch) | |
tree | d0d1967dcacb031760a7d840923a0151bf3cfcbf /drivers/usb/phy | |
parent | ad0f3236b95c392787cb8555aea5ee1c4d84f01e (diff) | |
download | linux-stable-774c6ae424326716eaea92d4ad58df9bf0e5a5a7.tar.gz linux-stable-774c6ae424326716eaea92d4ad58df9bf0e5a5a7.tar.bz2 linux-stable-774c6ae424326716eaea92d4ad58df9bf0e5a5a7.zip |
usb: phy: return -ENODEV on failure of try_module_get
commit 2c4e3dbf63b39d44a291db70016c718f45d9cd46 upstream.
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>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Diffstat (limited to 'drivers/usb/phy')
-rw-r--r-- | drivers/usb/phy/phy.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c index 36b6bce33b20..fd0d7f122ace 100644 --- 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; } |