[PATCH V3 net-next 04/10] net: hns3: change GFP flag during lock period

[Huazhong Tan <tanhuazhong@huawei.com>]

From: Yufeng Mo <moyufeng@huawei.com>

When allocating memory, the GFP_KERNEL cannot be used during the
spin_lock period. This is because it may cause scheduling when holding
spin_lock. This patch changes GFP flag to GFP_ATOMIC in this case.

Fixes: dd74f815dd41 ("net: hns3: Add support for rule add/delete for flow director")
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: lipeng 00277521 <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 3c64d70..14199c4 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -5796,7 +5796,7 @@ static int hclge_add_fd_entry_by_arfs(struct hnae3_handle *handle, u16 queue_id,
 			return -ENOSPC;
 		}
 
-		rule = kzalloc(sizeof(*rule), GFP_KERNEL);
+		rule = kzalloc(sizeof(*rule), GFP_ATOMIC);
 		if (!rule) {
 			spin_unlock_bh(&hdev->fd_rule_lock);
 
-- 
2.7.4