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 <[email protected]> diff --git a/drivers/misc/mic/card/mic_virtio.c b/drivers/misc/mic/card/mic_virtio.c index e486a0c..b3ad9c4 100644 --- a/drivers/misc/mic/card/mic_virtio.c +++ b/drivers/misc/mic/card/mic_virtio.c @@ -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); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
