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net: hns3: change GFP flag during lock period

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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: dd74f815dd ("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>
This commit is contained in:
Yufeng Mo 2019-07-29 10:53:25 +08:00 committed by David S. Miller
parent 8e9eee7831
commit d659f9f60f
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
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@ -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);