sctp: add a checking for sctp_sysctl_net_register
When register_net_sysctl failed, we should free the
sysctl_table.
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index ee80eb4..7e5eb75 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -447,6 +447,10 @@
table[i].data += (char *)(&net->sctp) - (char *)&init_net.sctp;
net->sctp.sysctl_header = register_net_sysctl(net, "net/sctp", table);
+ if (net->sctp.sysctl_header == NULL) {
+ kfree(table);
+ return -ENOMEM;
+ }
return 0;
}