diff options
| -rw-r--r-- | drivers/net/skge.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 4fc9333f074..deca5066a44 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -727,7 +727,7 @@ static struct ethtool_ops skge_ethtool_ops = { * Allocate ring elements and chain them together * One-to-one association of board descriptors with ring elements */ -static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u64 base) +static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u32 base) { struct skge_tx_desc *d; struct skge_element *e; @@ -2168,6 +2168,14 @@ static int skge_up(struct net_device *dev) if (!skge->mem) return -ENOMEM; + BUG_ON(skge->dma & 7); + + if ((u64)skge->dma >> 32 != ((u64) skge->dma + skge->mem_size) >> 32) { + printk(KERN_ERR PFX "pci_alloc_consistent region crosses 4G boundary\n"); + err = -EINVAL; + goto free_pci_mem; + } + memset(skge->mem, 0, skge->mem_size); if ((err = skge_ring_alloc(&skge->rx_ring, skge->mem, skge->dma))) |