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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-12-15 13:11:28 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-08 09:53:40 +0300 |
| commit | e6c0effa0e4dd17b4569bb62eaf6283033d475a4 (patch) | |
| tree | 05e9f83b67b2f4e064dd3cdb8e0a894347cf8534 /drivers/misc/mic | |
| parent | f38e87e8c8d326ec6cddfc3f286b605d996a52a3 (diff) | |
| download | linux-e6c0effa0e4dd17b4569bb62eaf6283033d475a4.tar.xz | |
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>
Diffstat (limited to 'drivers/misc/mic')
| -rw-r--r-- | drivers/misc/mic/card/mic_virtio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/mic/card/mic_virtio.c b/drivers/misc/mic/card/mic_virtio.c index f6ed57d3125c..17764b2fbee5 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); |