This is a note to let you know that I've just added the patch titled
usb: phy: return -ENODEV on failure of try_module_get
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-phy-return-enodev-on-failure-of-try_module_get.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2c4e3dbf63b39d44a291db70016c718f45d9cd46 Mon Sep 17 00:00:00 2001
From: Arjun Sreedharan <arjun024@xxxxxxxxx>
Date: Mon, 18 Aug 2014 11:17:33 +0530
Subject: usb: phy: return -ENODEV on failure of try_module_get
From: Arjun Sreedharan <arjun024@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/phy/phy.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -229,6 +229,9 @@ struct usb_phy *usb_get_phy_dev(struct d
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;
}
Patches currently in stable-queue which might be from arjun024@xxxxxxxxx are
queue-3.14/usb-phy-return-enodev-on-failure-of-try_module_get.patch
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