diff options
Diffstat (limited to 'drivers/net')
34 files changed, 43 insertions, 87 deletions
diff --git a/drivers/net/3c527.c b/drivers/net/3c527.c index 1b1cb0026072..157eda573925 100644 --- a/drivers/net/3c527.c +++ b/drivers/net/3c527.c @@ -1031,8 +1031,7 @@ static int mc32_send_packet(struct sk_buff *skb, struct net_device *dev) return 1; } - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) { + if (skb_padto(skb, ETH_ZLEN)) { netif_wake_queue(dev); return 0; } diff --git a/drivers/net/82596.c b/drivers/net/82596.c index da0c878dcba8..8a9f7d61b9b1 100644 --- a/drivers/net/82596.c +++ b/drivers/net/82596.c @@ -1070,8 +1070,7 @@ static int i596_start_xmit(struct sk_buff *skb, struct net_device *dev) skb->len, (unsigned int)skb->data)); if (skb->len < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; length = ETH_ZLEN; } diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c index 79bb56b8dcef..71165ac0257a 100644 --- a/drivers/net/a2065.c +++ b/drivers/net/a2065.c @@ -573,8 +573,7 @@ static int lance_start_xmit (struct sk_buff *skb, struct net_device *dev) if (len < ETH_ZLEN) { len = ETH_ZLEN; - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; } diff --git a/drivers/net/ariadne.c b/drivers/net/ariadne.c index d1b6b1f794e2..a9bb7a4aff98 100644 --- a/drivers/net/ariadne.c +++ b/drivers/net/ariadne.c @@ -607,8 +607,7 @@ static int ariadne_start_xmit(struct sk_buff *skb, struct net_device *dev) /* FIXME: is the 79C960 new enough to do its own padding right ? */ if (skb->len < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; len = ETH_ZLEN; } diff --git a/drivers/net/arm/ether1.c b/drivers/net/arm/ether1.c index 36475eb2727f..312955d07b28 100644 --- a/drivers/net/arm/ether1.c +++ b/drivers/net/arm/ether1.c @@ -700,8 +700,7 @@ ether1_sendpacket (struct sk_buff *skb, struct net_device *dev) } if (skb->len < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) goto out; } diff --git a/drivers/net/arm/ether3.c b/drivers/net/arm/ether3.c index f1d5b1027ff7..081074180e62 100644 --- a/drivers/net/arm/ether3.c +++ b/drivers/net/arm/ether3.c @@ -518,8 +518,7 @@ ether3_sendpacket(struct sk_buff *skb, struct net_device *dev) length = (length + 1) & ~1; if (length != skb->len) { - skb = skb_padto(skb, length); - if (skb == NULL) + if (skb_padto(skb, length)) goto out; } diff --git a/drivers/net/atarilance.c b/drivers/net/atarilance.c index 442b2cbeb58a..91783a8008be 100644 --- a/drivers/net/atarilance.c +++ b/drivers/net/atarilance.c @@ -804,8 +804,7 @@ static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev ) ++len; if (len > skb->len) { - skb = skb_padto(skb, len); - if (skb == NULL) + if (skb_padto(skb, len)) return 0; } diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 39f36aa05aa8..565a54f1d06a 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -2915,8 +2915,7 @@ static int cas_start_xmit(struct sk_buff *skb, struct net_device *dev) */ static int ring; - skb = skb_padto(skb, cp->min_frame_size); - if (!skb) + if (skb_padto(skb, cp->min_frame_size)) return 0; /* XXX: we need some higher-level QoS hooks to steer packets to diff --git a/drivers/net/declance.c b/drivers/net/declance.c index f130bdab3fd3..d3d958e7ac56 100644 --- a/drivers/net/declance.c +++ b/drivers/net/declance.c @@ -885,8 +885,7 @@ static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev) len = skblen; if (len < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; len = ETH_ZLEN; } diff --git a/drivers/net/depca.c b/drivers/net/depca.c index 0941d40f046f..e946c43d3b10 100644 --- a/drivers/net/depca.c +++ b/drivers/net/depca.c @@ -938,11 +938,8 @@ static int depca_start_xmit(struct sk_buff *skb, struct net_device *dev) if (skb->len < 1) goto out; - if (skb->len < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) - goto out; - } + if (skb_padto(skb, ETH_ZLEN)) + goto out; netif_stop_queue(dev); diff --git a/drivers/net/eepro.c b/drivers/net/eepro.c index a806dfe54d23..e70f172699db 100644 --- a/drivers/net/eepro.c +++ b/drivers/net/eepro.c @@ -1154,8 +1154,7 @@ static int eepro_send_packet(struct sk_buff *skb, struct net_device *dev) printk(KERN_DEBUG "%s: entering eepro_send_packet routine.\n", dev->name); if (length < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; length = ETH_ZLEN; } diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c index 82bd356e4f3a..a74b20715755 100644 --- a/drivers/net/eexpress.c +++ b/drivers/net/eexpress.c @@ -677,8 +677,7 @@ static int eexp_xmit(struct sk_buff *buf, struct net_device *dev) #endif if (buf->len < ETH_ZLEN) { - buf = skb_padto(buf, ETH_ZLEN); - if (buf == NULL) + if (skb_padto(buf, ETH_ZLEN)) return 0; length = ETH_ZLEN; } diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c index 8d680ce600d7..724d7dc35fa3 100644 --- a/drivers/net/epic100.c +++ b/drivers/net/epic100.c @@ -1027,11 +1027,8 @@ static int epic_start_xmit(struct sk_buff *skb, struct net_device *dev) u32 ctrl_word; unsigned long flags; - if (skb->len < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) - return 0; - } + if (skb_padto(skb, ETH_ZLEN)) + return 0; /* Caution: the write order is important here, set the field with the "ownership" bit last. */ diff --git a/drivers/net/eth16i.c b/drivers/net/eth16i.c index b67545be2caa..4bf76f86d8e9 100644 --- a/drivers/net/eth16i.c +++ b/drivers/net/eth16i.c @@ -1064,8 +1064,7 @@ static int eth16i_tx(struct sk_buff *skb, struct net_device *dev) unsigned long flags; if (length < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; length = ETH_ZLEN; } diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c index 247c8ca86033..dd1dc32dc98d 100644 --- a/drivers/net/hp100.c +++ b/drivers/net/hp100.c @@ -1487,11 +1487,8 @@ static int hp100_start_xmit_bm(struct sk_buff *skb, struct net_device *dev) if (skb->len <= 0) return 0; - if (skb->len < ETH_ZLEN && lp->chip == HP100_CHIPID_SHASTA) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) - return 0; - } + if (lp->chip == HP100_CHIPID_SHASTA && skb_padto(skb, ETH_ZLEN)) + return 0; /* Get Tx ring tail pointer */ if (lp->txrtail->next == lp->txrhead) { diff --git a/drivers/net/lance.c b/drivers/net/lance.c index bb5ad479210b..c1c3452c90ca 100644 --- a/drivers/net/lance.c +++ b/drivers/net/lance.c @@ -968,8 +968,7 @@ static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev) /* The old LANCE chips doesn't automatically pad buffers to min. size. */ if (chip_table[lp->chip_version].flags & LANCE_MUST_PAD) { if (skb->len < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) goto out; lp->tx_ring[entry].length = -ETH_ZLEN; } diff --git a/drivers/net/lasi_82596.c b/drivers/net/lasi_82596.c index 957888de3d7e..1ab09447baa5 100644 --- a/drivers/net/lasi_82596.c +++ b/drivers/net/lasi_82596.c @@ -1083,8 +1083,7 @@ static int i596_start_xmit(struct sk_buff *skb, struct net_device *dev) skb->len, skb->data)); if (length < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; length = ETH_ZLEN; } diff --git a/drivers/net/lp486e.c b/drivers/net/lp486e.c index 94d5ea1ce8bd..bf3f343ae715 100644 --- a/drivers/net/lp486e.c +++ b/drivers/net/lp486e.c @@ -877,8 +877,7 @@ static int i596_start_xmit (struct sk_buff *skb, struct net_device *dev) { length = skb->len; if (length < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; length = ETH_ZLEN; } diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 5a74f63618bc..b983e1e04348 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -1939,8 +1939,7 @@ again: /* pad frames to at least ETH_ZLEN bytes */ if (unlikely(skb->len < ETH_ZLEN)) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) { + if (skb_padto(skb, ETH_ZLEN)) { /* The packet is gone, so we must * return 0 */ mgp->stats.tx_dropped += 1; diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c index 09b11761cdfa..ea93b8f18605 100644 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ b/drivers/net/pcmcia/fmvj18x_cs.c @@ -831,8 +831,7 @@ static int fjn_start_xmit(struct sk_buff *skb, struct net_device *dev) if (length < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; length = ETH_ZLEN; } diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index e80d1e3aec68..9bae77ce1314 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -1374,8 +1374,7 @@ do_start_xmit(struct sk_buff *skb, struct net_device *dev) */ if (pktlen < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; pktlen = ETH_ZLEN; } diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 9945cc6b8d90..985afe0e6273 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -2222,8 +2222,7 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev) len = skb->len; if (unlikely(len < ETH_ZLEN)) { - skb = skb_padto(skb, ETH_ZLEN); - if (!skb) + if (skb_padto(skb, ETH_ZLEN)) goto err_update_stats; len = ETH_ZLEN; } diff --git a/drivers/net/seeq8005.c b/drivers/net/seeq8005.c index bcef03feb2fc..efd0f235020f 100644 --- a/drivers/net/seeq8005.c +++ b/drivers/net/seeq8005.c @@ -396,8 +396,7 @@ static int seeq8005_send_packet(struct sk_buff *skb, struct net_device *dev) unsigned char *buf; if (length < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; length = ETH_ZLEN; } diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index 31dd3f036fa8..df39f3447655 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -1156,8 +1156,7 @@ static int sis190_start_xmit(struct sk_buff *skb, struct net_device *dev) dma_addr_t mapping; if (unlikely(skb->len < ETH_ZLEN)) { - skb = skb_padto(skb, ETH_ZLEN); - if (!skb) { + if (skb_padto(skb, ETH_ZLEN)) { tp->stats.tx_dropped++; goto out; } diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index 38a26df4095f..f3efbd177ae7 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -1525,7 +1525,7 @@ struct sk_buff *pMessage) /* pointer to send-message */ ** This is to resolve faulty padding by the HW with 0xaa bytes. */ if (BytesSend < C_LEN_ETHERNET_MINSIZE) { - if ((pMessage = skb_padto(pMessage, C_LEN_ETHERNET_MINSIZE)) == NULL) { + if (skb_padto(pMessage, C_LEN_ETHERNET_MINSIZE)) { spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); return 0; } diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 536dd1cf7f79..19a4a16055dc 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -2310,8 +2310,7 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) u64 map; unsigned long flags; - skb = skb_padto(skb, ETH_ZLEN); - if (!skb) + if (skb_padto(skb, ETH_ZLEN)) return NETDEV_TX_OK; if (!spin_trylock_irqsave(&skge->tx_lock, flags)) diff --git a/drivers/net/smc9194.c b/drivers/net/smc9194.c index 6cf16f322ad5..8b0321f1976c 100644 --- a/drivers/net/smc9194.c +++ b/drivers/net/smc9194.c @@ -523,8 +523,7 @@ static int smc_wait_to_send_packet( struct sk_buff * skb, struct net_device * de length = skb->len; if (length < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) { + if (skb_padto(skb, ETH_ZLEN)) { netif_wake_queue(dev); return 0; } diff --git a/drivers/net/sonic.c b/drivers/net/sonic.c index 90b818a8de6e..cab0dd958492 100644 --- a/drivers/net/sonic.c +++ b/drivers/net/sonic.c @@ -231,8 +231,7 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev) length = skb->len; if (length < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; length = ETH_ZLEN; } diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c index 9b7805be21da..c158eedc7813 100644 --- a/drivers/net/starfire.c +++ b/drivers/net/starfire.c @@ -1349,8 +1349,7 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev) #if defined(ZEROCOPY) && defined(HAS_BROKEN_FIRMWARE) if (skb->ip_summed == CHECKSUM_HW) { - skb = skb_padto(skb, (skb->len + PADDING_MASK) & ~PADDING_MASK); - if (skb == NULL) + if (skb_padto(skb, (skb->len + PADDING_MASK) & ~PADDING_MASK)) return NETDEV_TX_OK; } #endif /* ZEROCOPY && HAS_BROKEN_FIRMWARE */ diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c index fdc21037f6dc..c80a4f1d5f7a 100644 --- a/drivers/net/via-rhine.c +++ b/drivers/net/via-rhine.c @@ -1284,11 +1284,8 @@ static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev) /* Calculate the next Tx descriptor entry. */ entry = rp->cur_tx % TX_RING_SIZE; - if (skb->len < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) - return 0; - } + if (skb_padto(skb, ETH_ZLEN)) + return 0; rp->tx_skbuff[entry] = skb; diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index 879eb427607c..a915fe6c6aa5 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -924,8 +924,7 @@ static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev) if (length < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; length = ETH_ZLEN; } diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c index f7724eb2fa7e..561250f73fd3 100644 --- a/drivers/net/wireless/wavelan_cs.c +++ b/drivers/net/wireless/wavelan_cs.c @@ -3194,11 +3194,8 @@ wavelan_packet_xmit(struct sk_buff * skb, * and we don't have the Ethernet specific requirement of beeing * 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; - } + if (skb_padto(skb, ETH_ZLEN)) + return 0; wv_packet_write(dev, skb->data, skb->len); diff --git a/drivers/net/yellowfin.c b/drivers/net/yellowfin.c index fd0f43b7db5b..ecec8e5db786 100644 --- a/drivers/net/yellowfin.c +++ b/drivers/net/yellowfin.c @@ -862,13 +862,11 @@ static int yellowfin_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Fix GX chipset errata. */ if (cacheline_end > 24 || cacheline_end == 0) { len = skb->len + 32 - cacheline_end + 1; - if (len != skb->len) - skb = skb_padto(skb, len); - } - if (skb == NULL) { - yp->tx_skbuff[entry] = NULL; - netif_wake_queue(dev); - return 0; + if (skb_padto(skb, len)) { + yp->tx_skbuff[entry] = NULL; + netif_wake_queue(dev); + return 0; + } } } yp->tx_skbuff[entry] = skb; diff --git a/drivers/net/znet.c b/drivers/net/znet.c index 3ac047bc727d..a7c089df66e6 100644 --- a/drivers/net/znet.c +++ b/drivers/net/znet.c @@ -544,8 +544,7 @@ static int znet_send_packet(struct sk_buff *skb, struct net_device *dev) printk(KERN_DEBUG "%s: ZNet_send_packet.\n", dev->name); if (length < ETH_ZLEN) { - skb = skb_padto(skb, ETH_ZLEN); - if (skb == NULL) + if (skb_padto(skb, ETH_ZLEN)) return 0; length = ETH_ZLEN; } |