[IPV6]: make frag to return an error at initialization

This patch makes the frag_init to return an error code, so the af_inet6
module can handle the error.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 2 deletions

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 442c298c1d7c..a75c4bc9281a 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -863,7 +863,9 @@ static int __init inet6_init(void)
         if (err)
                 goto ipv6_exthdrs_fail;
 
-        ipv6_frag_init();
+        err = ipv6_frag_init();
+        if (err)
+                goto ipv6_frag_fail;
 
         /* Init v6 transport protocols. */
         udpv6_init();
@@ -875,6 +877,8 @@ static int __init inet6_init(void)
 out:
         return err;
 
+ipv6_frag_fail:
+        ipv6_exthdrs_exit();
 ipv6_exthdrs_fail:
         addrconf_cleanup();
 addrconf_fail:
@@ -934,7 +938,7 @@ static void __exit inet6_exit(void)
 
         /* Cleanup code parts. */
         ipv6_packet_cleanup();
-
+        ipv6_frag_exit();
         ipv6_exthdrs_exit();
         addrconf_cleanup();
         ip6_flowlabel_cleanup();