[IPV4,6]: Fix off-by-one in max protocol-type check

4caa1239 · Patrick McHardy · David S. Miller · 39a98687 · 4caa1239 · 4caa1239
Commit 4caa1239 authored May 28, 2004 by Patrick McHardy Committed by David S. Miller May 28, 2004
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net/ipv4/af_inet.c net/ipv4/af_inet.c +1 -1

net/ipv6/af_inet6.c net/ipv6/af_inet6.c +1 -1

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--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -978,7 +978,7 @@ void inet_register_protosw(struct inet_protosw *p)
 	spin_lock_bh(&inetsw_lock);
-	if (p->type > SOCK_MAX)
+	if (p->type >= SOCK_MAX)
 		goto out_illegal;
 	/* If we are trying to override a permanent protocol, bail. */

--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -572,7 +572,7 @@ inet6_register_protosw(struct inet_protosw *p)
 	spin_lock_bh(&inetsw6_lock);
-	if (p->type > SOCK_MAX)
+	if (p->type >= SOCK_MAX)
 		goto out_illegal;
 	/* If we are trying to override a permanent protocol, bail. */