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authorFrancois Romieu <romieu@fr.zoreil.com>2009-08-12 22:18:14 -0700
committerDavid S. Miller <davem@davemloft.net>2009-08-12 22:18:14 -0700
commit839d1624b9dcf31fdc02e47359043bb7bd71d6ca (patch)
treedfad513ded1d7f88c3d946c5f56a8a7176f1b408
parent9799218ae36910af50f002a5db1802d576fffb43 (diff)
downloadop-kernel-dev-839d1624b9dcf31fdc02e47359043bb7bd71d6ca.zip
op-kernel-dev-839d1624b9dcf31fdc02e47359043bb7bd71d6ca.tar.gz
8139cp: balance dma_map_single vs dma_unmap_single pair
The driver always: 1. allocate cp->rx_buf_sz + NET_IP_ALIGN 2. map cp->rx_buf_sz Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/8139cp.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 50efde1..d0dbbf3 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -515,7 +515,7 @@ rx_status_loop:
dma_addr_t mapping;
struct sk_buff *skb, *new_skb;
struct cp_desc *desc;
- unsigned buflen;
+ const unsigned buflen = cp->rx_buf_sz;
skb = cp->rx_skb[rx_tail];
BUG_ON(!skb);
@@ -549,8 +549,7 @@ rx_status_loop:
pr_debug("%s: rx slot %d status 0x%x len %d\n",
dev->name, rx_tail, status, len);
- buflen = cp->rx_buf_sz + NET_IP_ALIGN;
- new_skb = netdev_alloc_skb(dev, buflen);
+ new_skb = netdev_alloc_skb(dev, buflen + NET_IP_ALIGN);
if (!new_skb) {
dev->stats.rx_dropped++;
goto rx_next;
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