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[net-next,2/2] sctp: add a checking for sctp_sysctl_net_register

Message ID 1399553702-7960-3-git-send-email-wangweidong1@huawei.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

wangweidong May 8, 2014, 12:55 p.m. UTC 
When register_net_sysctl failed, we should free the
sysctl_table.

Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
---
 net/sctp/sysctl.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

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 @@  int sctp_sysctl_net_register(struct net *net)
 		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;
 }