1 files changed, 4 insertions, 4 deletions

diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index ace4abf118d7..1b177ed803b7 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -265,7 +265,7 @@ static inline int genlmsg_multicast_netns(struct genl_family *family,
                                           struct net *net, 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 nlmsg_multicast(net->genl_sock, skb, portid, group, flags);
@@ -283,9 +283,6 @@ static inline int genlmsg_multicast(struct genl_family *family,
                                     struct sk_buff *skb, u32 portid,
                                     unsigned int group, gfp_t flags)
 {
-        if (group >= family->n_mcgrps)
-                return -EINVAL;
-        group = family->mcgrp_offset + group;
         return genlmsg_multicast_netns(family, &init_net, skb,
                                        portid, group, flags);
 }
@@ -387,6 +384,9 @@ static inline struct sk_buff *genlmsg_new(size_t payload, gfp_t flags)
 static inline int genl_set_err(struct genl_family *family, struct net *net,
                                u32 portid, u32 group, int code)
 {
+        if (WARN_ON_ONCE(group >= family->n_mcgrps))
+                return -EINVAL;
+        group = family->mcgrp_offset + group;
         return netlink_set_err(net->genl_sock, portid, group, code);
 }