diff options
| author | Sudeep Dutt <sudeep.dutt@intel.com> | 2013-11-27 16:58:39 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-11-27 19:03:38 (GMT) |
| commit | 9420b3485aa5748e171f2cedf35cc8f5a6a01c4b (patch) | |
| tree | 99371e7757ffe8255882686f5f8b848f6ebba370 /drivers/misc/mic/card | |
| parent | bd6dc8f65481267383aa026b30f3379d224f4a7d (diff) | |
| download | linux-9420b3485aa5748e171f2cedf35cc8f5a6a01c4b.tar.xz | |
misc: mic: Minor bug fix in 'retry' loops.
The bug would result in incorrect 'retry' value being printed in debug
statements as well as dead code in mic_find_vqs(...) in
drivers/misc/mic/card/mic_virtio.c.
Reported-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mic/card')
| -rw-r--r-- | drivers/misc/mic/card/mic_virtio.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/misc/mic/card/mic_virtio.c b/drivers/misc/mic/card/mic_virtio.c index 1ebc51c..4dce912 100644 --- a/drivers/misc/mic/card/mic_virtio.c +++ b/drivers/misc/mic/card/mic_virtio.c @@ -154,14 +154,14 @@ static void mic_reset_inform_host(struct virtio_device *vdev) { struct mic_vdev *mvdev = to_micvdev(vdev); struct mic_device_ctrl __iomem *dc = mvdev->dc; - int retry = 100, i; + int retry; iowrite8(0, &dc->host_ack); iowrite8(1, &dc->vdev_reset); mic_send_intr(mvdev->mdev, mvdev->c2h_vdev_db); /* Wait till host completes all card accesses and acks the reset */ - for (i = retry; i--;) { + for (retry = 100; retry--;) { if (ioread8(&dc->host_ack)) break; msleep(100); @@ -310,7 +310,7 @@ static int mic_find_vqs(struct virtio_device *vdev, unsigned nvqs, { struct mic_vdev *mvdev = to_micvdev(vdev); struct mic_device_ctrl __iomem *dc = mvdev->dc; - int i, err, retry = 100; + int i, err, retry; /* We must have this many virtqueues. */ if (nvqs > ioread8(&mvdev->desc->num_vq)) @@ -332,7 +332,7 @@ 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 (i = retry; i--;) { + for (retry = 100; retry--;) { if (!ioread8(&dc->used_address_updated)) break; msleep(100); |