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authorEric Dumazet <edumazet@google.com>2012-07-02 12:36:12 +0400
committerDavid S. Miller <davem@davemloft.net>2012-07-09 10:52:27 +0400
commitacfa9e94e2f06f8911a1d2f257880af4ad945eef (patch)
tree587abdf7e13a700076e3580bac8a1961a6a5b73b /drivers/net/wireless/b43legacy/dma.c
parent3da947b2693993d5f6138f005d2625e9387c9618 (diff)
downloadlinux-acfa9e94e2f06f8911a1d2f257880af4ad945eef.tar.xz
net: dont use __netdev_alloc_skb for bounce buffer
commit a1c7fff7e1 (net: netdev_alloc_skb() use build_skb()) broke b44 on some 64bit machines. It appears b44 and b43 use __netdev_alloc_skb() instead of alloc_skb() for their bounce buffers. There is no need to add an extra NET_SKB_PAD reservation for bounce buffers : - In TX path, NET_SKB_PAD is useless - In RX path in b44, we force a copy of incoming frames if GFP_DMA allocations were needed. Reported-and-bisected-by: Stefan Bader <stefan.bader@canonical.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless/b43legacy/dma.c')
-rw-r--r--drivers/net/wireless/b43legacy/dma.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c
index f1f8bd09bd87..c8baf020c20f 100644
--- a/drivers/net/wireless/b43legacy/dma.c
+++ b/drivers/net/wireless/b43legacy/dma.c
@@ -1072,7 +1072,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
/* create a bounce buffer in zone_dma on mapping failure. */
if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
- bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA);
+ bounce_skb = alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA);
if (!bounce_skb) {
ring->current_slot = old_top_slot;
ring->used_slots = old_used_slots;