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-rw-r--r--include/net/genetlink.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index 7b84f2cef8b1..d70510ac31ab 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -489,8 +489,10 @@ genlmsg_multicast_netns_filtered(const struct genl_family *family,
netlink_filter_fn filter,
void *filter_data)
{
- if (WARN_ON_ONCE(group >= family->n_mcgrps))
+ if (WARN_ON_ONCE(group >= family->n_mcgrps)) {
+ nlmsg_free(skb);
return -EINVAL;
+ }
group = family->mcgrp_offset + group;
return nlmsg_multicast_filtered(net->genl_sock, skb, portid, group,
flags, filter, filter_data);