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@xxxxxxxxxxxxxxx> know about it.
>From 327b21da884fe1a29f733e41792ddd53e4a30379 Mon Sep 17 00:00:00 2001
From: Mathieu Laurendeau <mat.lau@xxxxxxxxxxx>
Date: Fri, 15 Jul 2016 14:58:41 +0200
Subject: usb/gadget: fix gadgetfs aio support.
From: Mathieu Laurendeau <mat.lau@xxxxxxxxxxx>
commit 327b21da884fe1a29f733e41792ddd53e4a30379 upstream.
Fix io submissions failing with ENODEV.
Signed-off-by: Mathieu Laurendeau <mat.lau@xxxxxxxxxxx>
Fixes: 7fe3976e0f3a ("gadget: switch ep_io_operations to ->read_iter/->write_iter")
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxxx are
queue-4.4/usb-gadget-fix-gadgetfs-aio-support.patch
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