diff options
| author | Huazhong Tan <tanhuazhong@huawei.com> | 2018-10-30 21:50:43 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-31 12:42:38 -0700 |
| commit | ece4bf46e98c9f3775a488f3932a531508d3b1a2 (patch) | |
| tree | a7ddcd25fd9c6244c11a4b4e59bcbfcb8c43080b | |
| parent | d48051c5b8376038c2b287c3b1bd55b8d391d567 (diff) | |
| download | linux-ece4bf46e98c9f3775a488f3932a531508d3b1a2.tar.bz2 | |
net: hns3: add error handler for hns3_nic_init_vector_data()
When hns3_nic_init_vector_data() fails to map ring to vector,
it should cancel the netif_napi_add() that has been successfully
done and then exits.
Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 32f3aca814e7..0b4323b1f930 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2821,7 +2821,7 @@ static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv) struct hnae3_handle *h = priv->ae_handle; struct hns3_enet_tqp_vector *tqp_vector; int ret = 0; - u16 i; + int i; hns3_nic_set_cpumask(priv); @@ -2868,13 +2868,19 @@ static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv) hns3_free_vector_ring_chain(tqp_vector, &vector_ring_chain); if (ret) - return ret; + goto map_ring_fail; netif_napi_add(priv->netdev, &tqp_vector->napi, hns3_nic_common_poll, NAPI_POLL_WEIGHT); } return 0; + +map_ring_fail: + while (i--) + netif_napi_del(&priv->tqp_vector[i].napi); + + return ret; } static int hns3_nic_alloc_vector_data(struct hns3_nic_priv *priv) |