Hello.
On 7/8/2016 9:15 AM, Mathieu Laurendeau wrote:
Hi,
Greetings should not be a part of the patch description.
Since commit 7fe3976e0f3ab26f8ffd9430d3d2a19a70f2c8d2 ("gadget: switch
ep_io_operations to ->read_iter/->write_iter") io submissions fail with
ENODEV.
Fixes: 7fe3976e0f3a ("gadget: switch ep_io_operations to
->read_iter/->write_iter")
Signed-off-by: Mathieu Laurendeau <mat.lau@xxxxxxxxxxx>
---
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..120a03a 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)
This placement of the inner parens doesn't make sense, you should enclose
the whole comparison.
[...]
MBR, Sergei
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