[PATCH] usb/gadget: fix gadgetfs aio support.

From	Mathieu Laurendeau <mat.lau@laposte.net>
Newsgroups	linux.kernel
Subject	[PATCH] usb/gadget: fix gadgetfs aio support.
Date	2016-07-15 15:30 +0200
Message-ID	<rVblM-7q0-29@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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

diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index aa3707b..be64798 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -542,7 +542,7 @@ 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);
-- 
2.7.4

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[PATCH] usb/gadget: fix gadgetfs aio support. Mathieu Laurendeau <mat.lau@laposte.net> - 2016-07-15 15:30 +0200

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