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authorWeihang Li <liweihang@hisilicon.com>2019-06-03 05:09:18 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-26 10:12:29 +0300
commit28a7d7a6dcd70c405c8added34a60a1049bb25cd (patch)
treef6790ed679eb2796ef08151a33b0b792848beae9 /drivers/net/ethernet/hisilicon
parentbd87e2a197f6958c8b613cee022d50ec7c9fca83 (diff)
downloadlinux-28a7d7a6dcd70c405c8added34a60a1049bb25cd.tar.xz
net: hns3: set ops to null when unregister ad_dev
[ Upstream commit 594a81b39525f0a17e92c2e0b167ae1400650380 ] The hclge/hclgevf and hns3 module can be unloaded independently, when hclge/hclgevf unloaded firstly, the ops of ae_dev should be set to NULL, otherwise it will cause an use-after-free problem. Fixes: 38caee9d3ee8 ("net: hns3: Add support of the HNAE3 framework") Signed-off-by: Weihang Li <liweihang@hisilicon.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/hisilicon')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hnae3.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.c b/drivers/net/ethernet/hisilicon/hns3/hnae3.c
index 17ab4f4af6ad..0da814618565 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.c
@@ -247,6 +247,7 @@ void hnae3_unregister_ae_algo(struct hnae3_ae_algo *ae_algo)
ae_algo->ops->uninit_ae_dev(ae_dev);
hnae3_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 0);
+ ae_dev->ops = NULL;
}
list_del(&ae_algo->node);
@@ -347,6 +348,7 @@ void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev)
ae_algo->ops->uninit_ae_dev(ae_dev);
hnae3_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 0);
+ ae_dev->ops = NULL;
}
list_del(&ae_dev->node);