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

[Mathieu Laurendeau]

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")
---
 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