Patch "usb/gadget: fix gadgetfs aio support." has been added to the 4.4-stable tree

Patch "usb/gadget: fix gadgetfs aio support." has been added to the 4.4-stable tree

[gregkh]

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

    usb/gadget: fix gadgetfs aio support.

to the 4.4-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-gadget-fix-gadgetfs-aio-support.patch
and it can be found in the queue-4.4 subdirectory.

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


>From 327b21da884fe1a29f733e41792ddd53e4a30379 Mon Sep 17 00:00:00 2001
From: Mathieu Laurendeau <mat.lau@laposte.net>
Date: Fri, 15 Jul 2016 14:58:41 +0200
Subject: usb/gadget: fix gadgetfs aio support.

From: Mathieu Laurendeau <mat.lau@laposte.net>

commit 327b21da884fe1a29f733e41792ddd53e4a30379 upstream.

Fix io submissions failing with ENODEV.

Signed-off-by: Mathieu Laurendeau <mat.lau@laposte.net>
Fixes: 7fe3976e0f3a ("gadget: switch ep_io_operations to ->read_iter/->write_iter")
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/usb/gadget/legacy/inode.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -541,7 +541,7 @@ static ssize_t ep_aio(struct kiocb *iocb
 	 */
 	spin_lock_irq(&epdata->dev->lock);
 	value = -ENODEV;
-	if (unlikely(epdata->ep))
+	if (unlikely(epdata->ep == NULL))
 		goto fail;
 
 	req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC);


Patches currently in stable-queue which might be from mat.lau@laposte.net are

queue-4.4/usb-gadget-fix-gadgetfs-aio-support.patch