diff options
| author | YueHaibing <yuehaibing@huawei.com> | 2019-01-21 09:34:53 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-01-22 20:08:23 -0800 |
| commit | ed175d9c6f0d4df0f83f22ff4c887c21b7d021cd (patch) | |
| tree | c500be1467745a7004d29e7a0603421d1c75cb90 /net/core | |
| parent | 56431e38efe971591180cd7af7c28ac4b970de5c (diff) | |
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')
| -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; |