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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 54747c25c86c..f945293c17f0 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1103,6 +1103,9 @@ 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;