[ICMP]: Section conflict between icmp_sk_init/icmp_sk_exit.

Functions from __exit section should not be called from ones in __init
section. Fix this conflict.

Signed-off-by: Denis V. Lunev <den@openvz.org>
---
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index b51f4b0..cee77d6 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -1198,7 +1198,9 @@ int __net_init icmp_sk_init(struct net *net)
 	return 0;
 
 fail:
-	icmp_sk_exit(net);
+	for_each_possible_cpu(i)
+		sk_release_kernel(net->ipv4.icmp_sk[i]);
+	kfree(net->ipv4.icmp_sk);
 	return err;
 }