net: hns3: change GFP flag during lock period

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

When applying for a memory, the GFP_KERNEL cannot be used during
the lock period. This is because it may cause system hibernation.
This patch changes GFP flag to GFP_ATOMIC in this case.

Feature or Bugfix:Bugfix
Reviewed-by: Nlipeng <lipeng321@huawei.com>
Reviewed-by: NYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

@@ -6055,7 +6055,7 @@ static int hclge_add_fd_entry_by_arfs(struct hnae3_handle *h, 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);