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author | YueHaibing | 2019-01-21 10:34:53 +0100 |
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committer | David S. Miller | 2019-01-23 05:08:23 +0100 |
commit | ed175d9c6f0d4df0f83f22ff4c887c21b7d021cd (patch) | |
tree | c500be1467745a7004d29e7a0603421d1c75cb90 /net/core/devlink.c | |
parent | Merge branch 'Qualcomm-ethqos' (diff) | |
download | kernel-qcow2-linux-ed175d9c6f0d4df0f83f22ff4c887c21b7d021cd.tar.gz kernel-qcow2-linux-ed175d9c6f0d4df0f83f22ff4c887c21b7d021cd.tar.xz kernel-qcow2-linux-ed175d9c6f0d4df0f83f22ff4c887c21b7d021cd.zip |
devlink: Add missing check of nlmsg_put
nlmsg_put may fail, this fix add a check of its return value.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/devlink.c')
-rw-r--r-- | net/core/devlink.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c index 60248a53c0ad..059575c85dde 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -4086,6 +4086,9 @@ devlink_health_buffer_snd(struct genl_info *info, return -ENOMEM; nlh = nlmsg_put(skb, info->snd_portid, info->snd_seq, NLMSG_DONE, 0, flags | NLM_F_MULTI); + if (!nlh) + goto nla_put_failure; + err = genlmsg_reply(skb, info); if (err) return err; |