diff options
| author |   Huazhong Tan <tanhuazhong@huawei.com> | 2019-04-25 20:42:49 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-04-26 12:13:28 -0400 |
| commit | 30780a8b1677e7409b32ae52a9a84f7d41ae6b43 (patch) | |
| tree | f29dec84e702f0c6ad21b19e14256b3c2cb01cb1 /drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c | |
| parent | net: hns3: stop sending keep alive msg when VF command queue needs reinit (diff) | |
| download | linux-30780a8b1677e7409b32ae52a9a84f7d41ae6b43.tar.xz linux-30780a8b1677e7409b32ae52a9a84f7d41ae6b43.zip | |
net: hns3: use atomic_t replace u32 for arq's count
Since irq handler and mailbox task will both update arq's count,
so arq's count should use atomic_t instead of u32, otherwise
its value may go wrong finally.
Fixes: 07a0556a3a73 ("net: hns3: Changes to support ARQ(Asynchronous Receive Queue)")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c index 1b428d4a1132..71f356fc2446 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c @@ -340,7 +340,7 @@ int hclgevf_cmd_init(struct hclgevf_dev *hdev) hdev->arq.hdev = hdev; hdev->arq.head = 0; hdev->arq.tail = 0; - hdev->arq.count = 0; + atomic_set(&hdev->arq.count, 0); hdev->hw.cmq.csq.next_to_clean = 0; hdev->hw.cmq.csq.next_to_use = 0; hdev->hw.cmq.crq.next_to_clean = 0; |