sctp: Correctly cleanup procfs entries upon failure.

This patch remove the proc fs entry which has been created if fail to
set up proc fs entry for the SCTP protocol.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index b435a19..9258dfe 100644 (file)
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -108,14 +108,23 @@ static __init int sctp_proc_init(void)
        }
 
        if (sctp_snmp_proc_init())
-               goto out_nomem;
+               goto out_snmp_proc_init;
        if (sctp_eps_proc_init())
-               goto out_nomem;
+               goto out_eps_proc_init;
        if (sctp_assocs_proc_init())
-               goto out_nomem;
+               goto out_assocs_proc_init;
 
        return 0;
 
+out_assocs_proc_init:
+       sctp_eps_proc_exit();
+out_eps_proc_init:
+       sctp_snmp_proc_exit();
+out_snmp_proc_init:
+       if (proc_net_sctp) {
+               proc_net_sctp = NULL;
+               remove_proc_entry("sctp", init_net.proc_net);
+       }
 out_nomem:
        return -ENOMEM;
 }