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authorDavid S. Miller <davem@davemloft.net>2009-11-06 03:55:55 -0500
committerDavid S. Miller <davem@davemloft.net>2009-11-06 03:55:55 -0500
commit230f9bb701d37ae9b48e96456689452978f5c439 (patch)
tree9d2690917533bbb4498c8c9df838de2d38360912 /drivers/net/wireless/b43
parent000ba2e43f33901859fd794bb33c885909d53b3b (diff)
parent887e671f324d9898aaedb29a6ece6c853c394067 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/usb/cdc_ether.c All CDC ethernet devices of type USB_CLASS_COMM need to use '&mbm_info'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless/b43')
-rw-r--r--drivers/net/wireless/b43/dma.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 8701034569fa..de4e804bedf0 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1157,8 +1157,9 @@ struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot)
1157} 1157}
1158 1158
1159static int dma_tx_fragment(struct b43_dmaring *ring, 1159static int dma_tx_fragment(struct b43_dmaring *ring,
1160 struct sk_buff *skb) 1160 struct sk_buff **in_skb)
1161{ 1161{
1162 struct sk_buff *skb = *in_skb;
1162 const struct b43_dma_ops *ops = ring->ops; 1163 const struct b43_dma_ops *ops = ring->ops;
1163 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 1164 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1164 u8 *header; 1165 u8 *header;
@@ -1224,8 +1225,14 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
1224 } 1225 }
1225 1226
1226 memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len); 1227 memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len);
1228 memcpy(bounce_skb->cb, skb->cb, sizeof(skb->cb));
1229 bounce_skb->dev = skb->dev;
1230 skb_set_queue_mapping(bounce_skb, skb_get_queue_mapping(skb));
1231 info = IEEE80211_SKB_CB(bounce_skb);
1232
1227 dev_kfree_skb_any(skb); 1233 dev_kfree_skb_any(skb);
1228 skb = bounce_skb; 1234 skb = bounce_skb;
1235 *in_skb = bounce_skb;
1229 meta->skb = skb; 1236 meta->skb = skb;
1230 meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); 1237 meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
1231 if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) { 1238 if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
@@ -1355,7 +1362,11 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
1355 * static, so we don't need to store it per frame. */ 1362 * static, so we don't need to store it per frame. */
1356 ring->queue_prio = skb_get_queue_mapping(skb); 1363 ring->queue_prio = skb_get_queue_mapping(skb);
1357 1364
1358 err = dma_tx_fragment(ring, skb); 1365 /* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing
1366 * into the skb data or cb now. */
1367 hdr = NULL;
1368 info = NULL;
1369 err = dma_tx_fragment(ring, &skb);
1359 if (unlikely(err == -ENOKEY)) { 1370 if (unlikely(err == -ENOKEY)) {
1360 /* Drop this packet, as we don't have the encryption key 1371 /* Drop this packet, as we don't have the encryption key
1361 * anymore and must not transmit it unencrypted. */ 1372 * anymore and must not transmit it unencrypted. */