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net: hns3: fix a memory leak issue for hclge_map_unmap_ring_to_vf_vector

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When hclge_bind_ring_with_vector() fails,
hclge_map_unmap_ring_to_vf_vector() returns the error
directly, so nobody will free the memory allocated by
hclge_get_ring_chain_from_mbx().

So hclge_free_vector_ring_chain() should be called no matter
hclge_bind_ring_with_vector() fails or not.

Fixes: 84e095d64e ("net: hns3: Change PF to add ring-vect binding & resetQ to mailbox")
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>
This commit is contained in:
Huazhong Tan 2019-05-28 17:03:02 +08:00 committed by David S. Miller
parent 0d2f68c7bc
commit 49f971bd30
1 changed files with 1 additions and 3 deletions
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4
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
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@ -192,12 +192,10 @@ static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en,
return ret;
ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain);
if (ret)
return ret;
hclge_free_vector_ring_chain(&ring_chain);
return 0;
return ret;
}
static int hclge_set_vf_promisc_mode(struct hclge_vport *vport,