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(parent: 0c963e8) | patch
net: hns3: fix a dead loop in hclge_cmd_csq_clean
authorHuazhong Tan <tanhuazhong@huawei.com>
Tue, 1 May 2018 18:56:03 +0000 (19:56 +0100)
committerDavid S. Miller <davem@davemloft.net>
Tue, 1 May 2018 19:08:37 +0000 (15:08 -0400)
commit3ff504908f95093cc013a01d1cafb1f7fda0ab34
tree8c766164e7065b0f47efeda9e683f52a1ab818b8tree | snapshot
parent0c963e8c20ce368ddedc22cbfa710315d715dfaecommit | diff
net: hns3: fix a dead loop in hclge_cmd_csq_clean

If head has invlid value then a dead loop can be triggered in
hclge_cmd_csq_clean. This patch adds sanity check for this case.

Fixes: 68c0a5c70614 ("net: hns3: Add HNS3 IMP(Integrated Mgmt Proc) Cmd
Interface Support")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c diff | blob | blame | history
Linux Project Source (from git://github.com/torvalds/linux)