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| author | Arjun Sreedharan <arjun024@gmail.com> | 2014-08-18 11:17:33 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-14 09:00:03 -0800 |
| commit | f259d867e35ffc1bd240d41c72278beec1faee33 (patch) | |
| tree | 1ea87f1520d12d106b2a1f5704c26350c173334d /drivers/usb | |
| parent | 601fae783a931084634d70d6e1d327d4388c4e59 (diff) | |
| download | lwn-f259d867e35ffc1bd240d41c72278beec1faee33.tar.gz lwn-f259d867e35ffc1bd240d41c72278beec1faee33.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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -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 8afa813d690b..0180eef05656 100644 --- a/drivers/usb/phy/phy.c +++ b/drivers/usb/phy/phy.c @@ -229,6 +229,9 @@ 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; } |