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Subject[PATCH] 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>
---
drivers/net/8139cp.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 07919d0..4a8995a 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;
--
1.6.2.5


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