Patch "drivers: uio: Fix UIO device registration failure" has been added to the 3.9-stable tree

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This is a note to let you know that I've just added the patch titled

    drivers: uio: Fix UIO device registration failure

to the 3.9-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:
     drivers-uio-fix-uio-device-registration-failure.patch
and it can be found in the queue-3.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 5ed0505c713805f89473cdc0bbfb5110dfd840cb Mon Sep 17 00:00:00 2001
From: Damian Hobson-Garcia <dhobsong@xxxxxxxxxx>
Date: Tue, 26 Mar 2013 10:31:22 +0900
Subject: drivers: uio: Fix UIO device registration failure

From: Damian Hobson-Garcia <dhobsong@xxxxxxxxxx>

commit 5ed0505c713805f89473cdc0bbfb5110dfd840cb upstream.

Until recently uio_get_minor() returned 0 for success and
a negative value on failure.  This became non-negative for suceess and
negative for failure.  Restore the original return value spec so that we can
successfully initialize UIO devices with a non-zero minor device
number.

Signed-off-by: Damian Hobson-Garcia <dhobsong@xxxxxxxxxx>
Cc: "Hans J. Koch" <hjk@xxxxxxxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/uio/uio.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -374,6 +374,7 @@ static int uio_get_minor(struct uio_devi
 	retval = idr_alloc(&uio_idr, idev, 0, UIO_MAX_DEVICES, GFP_KERNEL);
 	if (retval >= 0) {
 		idev->minor = retval;
+		retval = 0;
 	} else if (retval == -ENOSPC) {
 		dev_err(idev->dev, "too many uio devices\n");
 		retval = -EINVAL;


Patches currently in stable-queue which might be from dhobsong@xxxxxxxxxx are

queue-3.9/drivers-uio-fix-uio-device-registration-failure.patch
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