Commit e6c0effa authored Dec 15, 2015 by Dan Carpenter Committed by Greg Kroah-Hartman Feb 07, 2016

mic_virtio: fix a timeout loop

After the loop we test "if (!retry)" to see if we timedout. The problem
is "retry--" is a post-op so retry will be -1 at the end of the loop. I
have fixed this by changing it to a pre-op instead.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent f38e87e8

drivers/misc/mic/card/mic_virtio.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -337,7 +337,7 @@ static int mic_find_vqs(struct virtio_device *vdev, unsigned nvqs,
		* rings have been re-assigned.
		*/
		mic_send_intr(mvdev->mdev, mvdev->c2h_vdev_db);
		for (retry = 100; retry--;) {
		for (retry = 100; --retry;) {
		if (!ioread8(&dc->used_address_updated))
		break;
		msleep(100);