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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-15 12:40:05 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-15 12:40:05 -0400
commit2ed0e21b30b53d3a94e204196e523e6c8f732b56 (patch)
treede2635426477d86338a9469ce09ba0626052288f /net/core/skb_dma_map.c
parent0fa213310cd8fa7a51071cdcf130e26fa56e9549 (diff)
parent9cbc1cb8cd46ce1f7645b9de249b2ce8460129bb (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1244 commits) pkt_sched: Rename PSCHED_US2NS and PSCHED_NS2US ipv4: Fix fib_trie rebalancing Bluetooth: Fix issue with uninitialized nsh.type in DTL-1 driver Bluetooth: Fix Kconfig issue with RFKILL integration PIM-SM: namespace changes ipv4: update ARPD help text net: use a deferred timer in rt_check_expire ieee802154: fix kconfig bool/tristate muckup bonding: initialization rework bonding: use is_zero_ether_addr bonding: network device names are case sensative bonding: elminate bad refcount code bonding: fix style issues bonding: fix destructor bonding: remove bonding read/write semaphore bonding: initialize before registration bonding: bond_create always called with default parameters x_tables: Convert printk to pr_err netfilter: conntrack: optional reliable conntrack event delivery list_nulls: add hlist_nulls_add_head and hlist_nulls_del ...
Diffstat (limited to 'net/core/skb_dma_map.c')
-rw-r--r--net/core/skb_dma_map.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/net/core/skb_dma_map.c b/net/core/skb_dma_map.c
index 86234923a3b7..79687dfd6957 100644
--- a/net/core/skb_dma_map.c
+++ b/net/core/skb_dma_map.c
@@ -20,7 +20,7 @@ int skb_dma_map(struct device *dev, struct sk_buff *skb,
20 if (dma_mapping_error(dev, map)) 20 if (dma_mapping_error(dev, map))
21 goto out_err; 21 goto out_err;
22 22
23 sp->dma_maps[0] = map; 23 sp->dma_head = map;
24 for (i = 0; i < sp->nr_frags; i++) { 24 for (i = 0; i < sp->nr_frags; i++) {
25 skb_frag_t *fp = &sp->frags[i]; 25 skb_frag_t *fp = &sp->frags[i];
26 26
@@ -28,9 +28,8 @@ int skb_dma_map(struct device *dev, struct sk_buff *skb,
28 fp->size, dir); 28 fp->size, dir);
29 if (dma_mapping_error(dev, map)) 29 if (dma_mapping_error(dev, map))
30 goto unwind; 30 goto unwind;
31 sp->dma_maps[i + 1] = map; 31 sp->dma_maps[i] = map;
32 } 32 }
33 sp->num_dma_maps = i + 1;
34 33
35 return 0; 34 return 0;
36 35
@@ -38,10 +37,10 @@ unwind:
38 while (--i >= 0) { 37 while (--i >= 0) {
39 skb_frag_t *fp = &sp->frags[i]; 38 skb_frag_t *fp = &sp->frags[i];
40 39
41 dma_unmap_page(dev, sp->dma_maps[i + 1], 40 dma_unmap_page(dev, sp->dma_maps[i],
42 fp->size, dir); 41 fp->size, dir);
43 } 42 }
44 dma_unmap_single(dev, sp->dma_maps[0], 43 dma_unmap_single(dev, sp->dma_head,
45 skb_headlen(skb), dir); 44 skb_headlen(skb), dir);
46out_err: 45out_err:
47 return -ENOMEM; 46 return -ENOMEM;
@@ -54,12 +53,12 @@ void skb_dma_unmap(struct device *dev, struct sk_buff *skb,
54 struct skb_shared_info *sp = skb_shinfo(skb); 53 struct skb_shared_info *sp = skb_shinfo(skb);
55 int i; 54 int i;
56 55
57 dma_unmap_single(dev, sp->dma_maps[0], 56 dma_unmap_single(dev, sp->dma_head,
58 skb_headlen(skb), dir); 57 skb_headlen(skb), dir);
59 for (i = 0; i < sp->nr_frags; i++) { 58 for (i = 0; i < sp->nr_frags; i++) {
60 skb_frag_t *fp = &sp->frags[i]; 59 skb_frag_t *fp = &sp->frags[i];
61 60
62 dma_unmap_page(dev, sp->dma_maps[i + 1], 61 dma_unmap_page(dev, sp->dma_maps[i],
63 fp->size, dir); 62 fp->size, dir);
64 } 63 }
65} 64}