diff options
| author | Takashi Iwai <tiwai@suse.de> | 2023-06-26 15:23:15 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-06-26 15:23:23 +0200 |
| commit | a15b51375684c2bfa6017bb185139477e7a3b96c (patch) | |
| tree | 6a4d7b4e7f09b858782cf2e5c0601d9f778cab15 /drivers/platform/mellanox/mlxbf-tmfifo.c | |
| parent | e94f1f96f108ba96c0ed8bf3fbdd8ee6a6703880 (diff) | |
| parent | 4e0871333661d2ec0ed3dc00a945c2160eccae77 (diff) | |
Merge branch 'for-next' into for-linus
Pull the 6.5-devel branch for upstreaming.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'drivers/platform/mellanox/mlxbf-tmfifo.c')
| -rw-r--r-- | drivers/platform/mellanox/mlxbf-tmfifo.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c index 91a077c35b8b..a79318e90a13 100644 --- a/drivers/platform/mellanox/mlxbf-tmfifo.c +++ b/drivers/platform/mellanox/mlxbf-tmfifo.c @@ -784,7 +784,7 @@ static void mlxbf_tmfifo_rxtx(struct mlxbf_tmfifo_vring *vring, bool is_rx) fifo = vring->fifo; /* Return if vdev is not ready. */ - if (!fifo->vdev[devid]) + if (!fifo || !fifo->vdev[devid]) return; /* Return if another vring is running. */ @@ -980,9 +980,13 @@ static int mlxbf_tmfifo_virtio_find_vqs(struct virtio_device *vdev, vq->num_max = vring->num; + vq->priv = vring; + + /* Make vq update visible before using it. */ + virtio_mb(false); + vqs[i] = vq; vring->vq = vq; - vq->priv = vring; } return 0; @@ -1302,6 +1306,9 @@ static int mlxbf_tmfifo_probe(struct platform_device *pdev) mod_timer(&fifo->timer, jiffies + MLXBF_TMFIFO_TIMER_INTERVAL); + /* Make all updates visible before setting the 'is_ready' flag. */ + virtio_mb(false); + fifo->is_ready = true; return 0; |