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net: netlink: add the case when nlh is NULL

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Add the case when nlh is NULL in nlmsg_report(),
so that the caller doesn't need to deal with this case.

Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yajun Deng 2021-07-27 11:41:41 +08:00 • committed by David S. Miller
parent b0e8181762
commit f9b282b36d
3 changed files with 6 additions and 11 deletions
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6
net/core/rtnetlink.c
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@ -726,12 +726,8 @@ void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
struct nlmsghdr *nlh, gfp_t flags)
{
struct sock *rtnl = net->rtnl;
int report = 0;
if (nlh)
report = nlmsg_report(nlh);
nlmsg_notify(rtnl, skb, pid, group, report, flags);
nlmsg_notify(rtnl, skb, pid, group, nlmsg_report(nlh), flags);
}
EXPORT_SYMBOL(rtnl_notify);