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-rw-r--r--net/irda/af_irda.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 402af94..dd94de2 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1104,6 +1104,9 @@ static int irda_create(struct net *net, struct socket *sock, int protocol,
struct sock *sk;
struct irda_sock *self;
+ if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
+ return -EINVAL;
+
IRDA_DEBUG(2, "%s()\n", __func__);
if (net != &init_net)