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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2006-06-22 14:25:34 +0100
committerJeff Garzik <jeff@garzik.org>2006-06-22 23:32:02 -0400
commitaa95abefccc25efea5c8654bc3475e8161319b94 (patch)
treecd2611a0998be1e68ce10d3a5cd6d7e4c6810a03 /drivers/net/wireless
parentc7985051dec26dc5ae2562a975a0b37b70621f3f (diff)
[PATCH] skb_padto()-area fixes in 8390, wavelan
Ar Iau, 2006-06-22 am 21:29 +1000, ysgrifennodd Herbert Xu: > Alan Cox <alan@lxorguk.ukuu.org.uk> wrote: > > > > The 8390 change (corrected version) also makes 8390.c faster so should > > be applied anyway, and the orinoco one fixes some code that isn't even > > needed and someone forgot to remove long ago. Otherwise the skb_padto > > Yeah I agree totally. However, I haven't actually seen the fixed 8390 > version being posted yet or at least not to netdev :) Ah the resounding clang of a subtle hint ;) Signed-off-by: Alan Cox <alan@redhat.com> - Return 8390.c to the old way of handling short packets (which is also faster) - Remove the skb_padto from orinoco. This got left in when the padding bad write patch was added and is actually not needed. This is fixing a merge error way back when. - Wavelan can also use the stack based buffer trick if you want Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/wavelan.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c
index b327b640823b..5b69befdab74 100644
--- a/drivers/net/wireless/wavelan.c
+++ b/drivers/net/wireless/wavelan.c
@@ -2903,6 +2903,7 @@ static int wavelan_packet_xmit(struct sk_buff *skb, struct net_device * dev)
{
net_local *lp = (net_local *) dev->priv;
unsigned long flags;
+ char data[ETH_ZLEN];
#ifdef DEBUG_TX_TRACE
printk(KERN_DEBUG "%s: ->wavelan_packet_xmit(0x%X)\n", dev->name,
@@ -2937,15 +2938,16 @@ static int wavelan_packet_xmit(struct sk_buff *skb, struct net_device * dev)
* able to detect collisions, therefore in theory we don't really
* need to pad. Jean II */
if (skb->len < ETH_ZLEN) {
- skb = skb_padto(skb, ETH_ZLEN);
- if (skb == NULL)
- return 0;
+ memset(data, 0, ETH_ZLEN);
+ memcpy(data, skb->data, skb->len);
+ /* Write packet on the card */
+ if(wv_packet_write(dev, data, ETH_ZLEN))
+ return 1; /* We failed */
}
-
- /* Write packet on the card */
- if(wv_packet_write(dev, skb->data, skb->len))
+ else if(wv_packet_write(dev, skb->data, skb->len))
return 1; /* We failed */
+
dev_kfree_skb(skb);
#ifdef DEBUG_TX_TRACE