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authorDave Jones <davej@redhat.com>2009-03-18 18:17:48 -0700
committerDavid S. Miller <davem@davemloft.net>2009-03-18 18:17:48 -0700
commitcedc1dba74f481a632c5d5aedad0068d6ad945d8 (patch)
treed93c7a65ecd737dc16aa5fec4811cb5958dd0c4c /drivers/net/a2065.c
parentaf4330631cd48987755f1a8d324dc318f60cf16b (diff)
downloadop-kernel-dev-cedc1dba74f481a632c5d5aedad0068d6ad945d8.zip
op-kernel-dev-cedc1dba74f481a632c5d5aedad0068d6ad945d8.tar.gz
a2065: skb_padto cleanups
Remove unnecessary check (skb_padto does the same check) Remove unnecessary duplicate variable Remove unnecessary clearing of padded part of skb. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/a2065.c')
-rw-r--r--drivers/net/a2065.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c
index 7a60bdd..d0d0c2f 100644
--- a/drivers/net/a2065.c
+++ b/drivers/net/a2065.c
@@ -552,18 +552,13 @@ static int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
struct lance_private *lp = netdev_priv(dev);
volatile struct lance_regs *ll = lp->ll;
volatile struct lance_init_block *ib = lp->init_block;
- int entry, skblen, len;
+ int entry, skblen;
int status = 0;
unsigned long flags;
- skblen = skb->len;
- len = skblen;
-
- if (len < ETH_ZLEN) {
- len = ETH_ZLEN;
- if (skb_padto(skb, ETH_ZLEN))
- return 0;
- }
+ if (skb_padto(skb, ETH_ZLEN))
+ return 0;
+ skblen = max_t(unsigned, skb->len, ETH_ZLEN);
local_irq_save(flags);
@@ -586,15 +581,11 @@ static int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
}
#endif
entry = lp->tx_new & lp->tx_ring_mod_mask;
- ib->btx_ring [entry].length = (-len) | 0xf000;
+ ib->btx_ring [entry].length = (-skblen) | 0xf000;
ib->btx_ring [entry].misc = 0;
skb_copy_from_linear_data(skb, (void *)&ib->tx_buf [entry][0], skblen);
- /* Clear the slack of the packet, do I need this? */
- if (len != skblen)
- memset ((void *) &ib->tx_buf [entry][skblen], 0, len - skblen);
-
/* Now, give the packet to the lance */
ib->btx_ring [entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN);
lp->tx_new = (lp->tx_new+1) & lp->tx_ring_mod_mask;
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