solos: Check for rogue received packets

[safe/jmp/linux-2.6] / drivers / atm / solos-pci.c

diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index bfef8d2..6c82834 100644 (file)
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -671,6 +671,10 @@ void solos_bh(unsigned long card_arg)
                                memcpy_fromio(header, RX_BUF(card, port), sizeof(*header));
 
                                size = le16_to_cpu(header->size);
+                               if (size > (card->buffer_size - sizeof(*header))){
+                                       dev_warn(&card->dev->dev, "Invalid buffer size\n");
+                                       continue;
+                               }
 
                                skb = alloc_skb(size + 1, GFP_ATOMIC);
                                if (!skb) {