devlink: Add missing check of nlmsg_put

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>

authored by

YueHaibing and committed by

David S. Miller 7 years ago ed175d9c 56431e38

1 changed file

expand all

net

core

devlink.c

net/core/devlink.c

··· 4086 4086 return -ENOMEM; 4087 4087 nlh = nlmsg_put(skb, info->snd_portid, info->snd_seq, 4088 4088 NLMSG_DONE, 0, flags | NLM_F_MULTI); 4089 + if (!nlh) 4090 + goto nla_put_failure; 4091 + 4089 4092 err = genlmsg_reply(skb, info); 4090 4093 if (err) 4091 4094 return err;