diff options
Diffstat (limited to 'drivers/atm')
| -rw-r--r-- | drivers/atm/atmtcp.c | 4 | ||||
| -rw-r--r-- | drivers/atm/idt77252.c | 5 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c index d4aa0f353b6c..eeae160c898d 100644 --- a/drivers/atm/atmtcp.c +++ b/drivers/atm/atmtcp.c @@ -288,7 +288,9 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) struct sk_buff *new_skb; int result = 0; - if (!skb->len) return 0; + if (skb->len < sizeof(struct atmtcp_hdr)) + goto done; + dev = vcc->dev_data; hdr = (struct atmtcp_hdr *) skb->data; if (hdr->length == ATMTCP_HDR_MAGIC) { diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index 1206ab764ba9..f2e91b7d79f0 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -852,6 +852,8 @@ queue_skb(struct idt77252_dev *card, struct vc_map *vc, IDT77252_PRV_PADDR(skb) = dma_map_single(&card->pcidev->dev, skb->data, skb->len, DMA_TO_DEVICE); + if (dma_mapping_error(&card->pcidev->dev, IDT77252_PRV_PADDR(skb))) + return -ENOMEM; error = -EINVAL; @@ -1857,6 +1859,8 @@ add_rx_skb(struct idt77252_dev *card, int queue, paddr = dma_map_single(&card->pcidev->dev, skb->data, skb_end_pointer(skb) - skb->data, DMA_FROM_DEVICE); + if (dma_mapping_error(&card->pcidev->dev, paddr)) + goto outpoolrm; IDT77252_PRV_PADDR(skb) = paddr; if (push_rx_skb(card, skb, queue)) { @@ -1871,6 +1875,7 @@ outunmap: dma_unmap_single(&card->pcidev->dev, IDT77252_PRV_PADDR(skb), skb_end_pointer(skb) - skb->data, DMA_FROM_DEVICE); +outpoolrm: handle = IDT77252_PRV_POOL(skb); card->sbpool[POOL_QUEUE(handle)].skb[POOL_INDEX(handle)] = NULL; |