net: add validation for the socket syscall protocol argument

[pandora-kernel.git] / net / irda / af_irda.c

diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index f5d011a..03c8ea9 100644 (file)
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1106,6 +1106,9 @@ static int irda_create(struct net *net, struct socket *sock, int protocol,
 
        IRDA_DEBUG(2, "%s()\n", __func__);
 
+       if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
+               return -EINVAL;
+
        if (net != &init_net)
                return -EAFNOSUPPORT;