4.4-stable review patch. If anyone has any objections, please let me know.
------------------
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);
--
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