Commit d659f9f6 authored Jul 29, 2019 by Yufeng Mo Committed by David S. Miller Jul 29, 2019

net: hns3: change GFP flag during lock period



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: dd74f815 ("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>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 8e9eee78

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);

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