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authorJia-Ju Bai <baijiaju1990@gmail.com>2021-03-07 11:40:12 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-03-30 15:31:49 +0300
commit184dc037575ca7d47edd5f37d6ada6dc11e8dad9 (patch)
tree452fa47c0938a609e9bf385ee22e1dd5b3cbb02f /drivers
parent9d1a5392aca1943bfea6f424346764db75018431 (diff)
downloadlinux-184dc037575ca7d47edd5f37d6ada6dc11e8dad9.tar.xz
net: hisilicon: hns: fix error return code of hns_nic_clear_all_rx_fetch()
[ Upstream commit 143c253f42bad20357e7e4432087aca747c43384 ] When hns_assemble_skb() returns NULL to skb, no error return code of hns_nic_clear_all_rx_fetch() is assigned. To fix this bug, ret is assigned with -ENOMEM in this case. Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_enet.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index 858cb293152a..8bce5f1510be 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -1663,8 +1663,10 @@ static int hns_nic_clear_all_rx_fetch(struct net_device *ndev)
for (j = 0; j < fetch_num; j++) {
/* alloc one skb and init */
skb = hns_assemble_skb(ndev);
- if (!skb)
+ if (!skb) {
+ ret = -ENOMEM;
goto out;
+ }
rd = &tx_ring_data(priv, skb->queue_mapping);
hns_nic_net_xmit_hw(ndev, skb, rd);