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| author | Gabor Juhos <juhosg@openwrt.org> | 2010-11-24 10:01:16 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2010-11-24 10:01:16 +0000 |
| commit | 00bd3f47c481d4568792c3a09ba2197f1f4b230a (patch) | |
| tree | f5782facd1236f3d094d3756cf91514df79b8649 | |
| parent | 77a769e423d7105565a4775f498c01ec6965adc3 (diff) | |
| download | master-187ad058-00bd3f47c481d4568792c3a09ba2197f1f4b230a.tar.gz master-187ad058-00bd3f47c481d4568792c3a09ba2197f1f4b230a.tar.bz2 master-187ad058-00bd3f47c481d4568792c3a09ba2197f1f4b230a.zip | |
ramips: DMA map the correct RX skb size
The skb_reserve call prior to DMA mapping the RX skb reduced the skb
data len by 2. To not allow DMA to write behind the skb we should pass
the correct skb data len to the device.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24123 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | target/linux/ramips/files/drivers/net/ramips.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c index e3c4f13d46..1f3c35aa9d 100644 --- a/target/linux/ramips/files/drivers/net/ramips.c +++ b/target/linux/ramips/files/drivers/net/ramips.c @@ -177,7 +177,7 @@ ramips_alloc_dma(struct raeth_priv *re) skb_reserve(new_skb, 2); re->rx[i].rxd1 = dma_map_single(NULL, new_skb->data, - MAX_RX_LENGTH + 2, + MAX_RX_LENGTH, DMA_FROM_DEVICE); re->rx[i].rxd2 |= RX_DMA_LSO; re->rx_skb[i] = new_skb; @@ -288,7 +288,7 @@ ramips_eth_rx_hw(unsigned long ptr) skb_reserve(new_skb, 2); priv->rx[rx].rxd1 = dma_map_single(NULL, new_skb->data, - MAX_RX_LENGTH + 2, + MAX_RX_LENGTH, DMA_FROM_DEVICE); } |