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/hclge_mbx.h | |
| parent | 1416d333a4ec9ab05c37b94628cb476b32326858 (diff) | |
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/hclge_mbx.h')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h index 360463a40ba9..8b6191f61211 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h +++ b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h @@ -111,7 +111,7 @@ struct hclgevf_mbx_arq_ring { struct hclgevf_dev *hdev; u32 head; u32 tail; - u32 count; + atomic_t count; u16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE]; }; |