1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index c289b6251c19..b500f00e184c 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -732,6 +732,12 @@ static int popen(struct atm_vcc *vcc)
         struct sk_buff *skb;
         struct pkt_hdr *header;
 
+        if (vcc->qos.aal != ATM_AAL5) {
+                dev_warn(&card->dev->dev, "Unsupported ATM type %d\n",
+                         vcc->qos.aal);
+                return -EINVAL;
+        }
+
         skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
         if (!skb && net_ratelimit()) {
                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in popen()\n");