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>

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>
wangweidong · David S. Miller
1 parent eb9f37053d
Showing 1 changed file with 4 additions and 0 deletions Side-by-side Diff
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;
 }
...	...	@@ -447,6 +447,10 @@
447	447	table[i].data += (char )(&net->sctp) - (char )&init_net.sctp;
448	448
449	449	net->sctp.sysctl_header = register_net_sysctl(net, "net/sctp", table);
	450	+ if (net->sctp.sysctl_header == NULL) {
	451	+ kfree(table);
	452	+ return -ENOMEM;
	453	+ }
450	454	return 0;
451	455	}
452	456