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authorHuazhong Tan <tanhuazhong@huawei.com>2018-12-18 14:37:48 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-27 16:50:07 +0300
commit0120feccd1c1b5d3ccc8838f416a821d2a075b7f (patch)
treea03d98acc9501c3806f3f9eb78de5dcf8fc024bf
parent4b5b085667457258e8c6601675bf811cdd1d1177 (diff)
downloadlinux-0120feccd1c1b5d3ccc8838f416a821d2a075b7f.tar.xz
net: hns3: fix error handling int the hns3_get_vector_ring_chain
[ Upstream commit cda69d244585bc4497d3bb878c22fe2b6ad647c1 ] When hns3_get_vector_ring_chain() failed in the hns3_nic_init_vector_data(), it should do the error handling instead of return directly. Also, cur_chain should be freed instead of chain and head->next should be set to NULL in error handling of hns3_get_vector_ring_chain. This patch fixes them. Fixes: 73b907a083b8 ("net: hns3: bugfix for buffer not free problem during resetting") 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 9df807ec8c84..10fa7f5df57e 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2605,9 +2605,10 @@ err_free_chain:
cur_chain = head->next;
while (cur_chain) {
chain = cur_chain->next;
- devm_kfree(&pdev->dev, chain);
+ devm_kfree(&pdev->dev, cur_chain);
cur_chain = chain;
}
+ head->next = NULL;
return -ENOMEM;
}
@@ -2679,7 +2680,7 @@ static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv)
ret = hns3_get_vector_ring_chain(tqp_vector,
&vector_ring_chain);
if (ret)
- return ret;
+ goto map_ring_fail;
ret = h->ae_algo->ops->map_ring_to_vector(h,
tqp_vector->vector_irq, &vector_ring_chain);