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genetlink: fix genlmsg_multicast() bug
[pandora-kernel.git]
/
net
/
netlink
/
genetlink.c
diff --git
a/net/netlink/genetlink.c
b/net/netlink/genetlink.c
index
7dbc4f7
..
4518a57
100644
(file)
--- a/
net/netlink/genetlink.c
+++ b/
net/netlink/genetlink.c
@@
-1045,7
+1045,7
@@
static int genlmsg_mcast(struct sk_buff *skb, u32 portid, unsigned long group,
int genlmsg_multicast_allns(struct genl_family *family, struct sk_buff *skb,
u32 portid, unsigned int group, gfp_t flags)
{
int genlmsg_multicast_allns(struct genl_family *family, struct sk_buff *skb,
u32 portid, unsigned int group, gfp_t flags)
{
- if (
group >= family->n_mcgrps
)
+ if (
WARN_ON_ONCE(group >= family->n_mcgrps)
)
return -EINVAL;
group = family->mcgrp_offset + group;
return genlmsg_mcast(skb, portid, group, flags);
return -EINVAL;
group = family->mcgrp_offset + group;
return genlmsg_mcast(skb, portid, group, flags);
@@
-1062,7
+1062,7
@@
void genl_notify(struct genl_family *family,
if (nlh)
report = nlmsg_report(nlh);
if (nlh)
report = nlmsg_report(nlh);
- if (
group >= family->n_mcgrps
)
+ if (
WARN_ON_ONCE(group >= family->n_mcgrps)
)
return;
group = family->mcgrp_offset + group;
nlmsg_notify(sk, skb, portid, group, report, flags);
return;
group = family->mcgrp_offset + group;
nlmsg_notify(sk, skb, portid, group, report, flags);