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ipg: endianness fixes

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if your mask is host-endian, you should apply it after le64_to_cpu();
if it's little-endian - before.  Doing both (for the same mask and
little-endian value) is broken.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro 2007-10-14 19:41:29 +01:00 committed by Linus Torvalds
parent 857e37dc36
commit 325a80715f
1 changed files with 17 additions and 17 deletions
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34
drivers/net/ipg.c
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@ -754,7 +754,7 @@ static int init_rfdlist(struct net_device *dev)
if (sp->RxBuff[i]) {
pci_unmap_single(sp->pdev,
le64_to_cpu(rxfd->frag_info & ~IPG_RFI_FRAGLEN),
le64_to_cpu(rxfd->frag_info) & ~IPG_RFI_FRAGLEN,
sp->rx_buf_sz, PCI_DMA_FROMDEVICE);
IPG_DEV_KFREE_SKB(sp->RxBuff[i]);
sp->RxBuff[i] = NULL;
@ -871,7 +871,7 @@ static void ipg_nic_txfree(struct net_device *dev)
/* Free the transmit buffer. */
if (skb) {
pci_unmap_single(sp->pdev,
le64_to_cpu(txfd->frag_info & ~IPG_TFI_FRAGLEN),
le64_to_cpu(txfd->frag_info) & ~IPG_TFI_FRAGLEN,
skb->len, PCI_DMA_TODEVICE);
IPG_DEV_KFREE_SKB(skb);
@ -1413,10 +1413,10 @@ static int ipg_nic_rx(struct net_device *dev)
framelen = IPG_RXFRAG_SIZE;
}
if ((IPG_DROP_ON_RX_ETH_ERRORS && (le64_to_cpu(rxfd->rfs &
if ((IPG_DROP_ON_RX_ETH_ERRORS && (le64_to_cpu(rxfd->rfs) &
(IPG_RFS_RXFIFOOVERRUN | IPG_RFS_RXRUNTFRAME |
IPG_RFS_RXALIGNMENTERROR | IPG_RFS_RXFCSERROR |
IPG_RFS_RXOVERSIZEDFRAME | IPG_RFS_RXLENGTHERROR))))) {
IPG_RFS_RXOVERSIZEDFRAME | IPG_RFS_RXLENGTHERROR)))) {
IPG_DEBUG_MSG("Rx error, RFS = %16.16lx\n",
(unsigned long int) rxfd->rfs);
@ -1425,27 +1425,27 @@ static int ipg_nic_rx(struct net_device *dev)
sp->stats.rx_errors++;
/* Increment detailed receive error statistics. */
if (le64_to_cpu(rxfd->rfs & IPG_RFS_RXFIFOOVERRUN)) {
if (le64_to_cpu(rxfd->rfs) & IPG_RFS_RXFIFOOVERRUN) {
IPG_DEBUG_MSG("RX FIFO overrun occured.\n");
sp->stats.rx_fifo_errors++;
}
if (le64_to_cpu(rxfd->rfs & IPG_RFS_RXRUNTFRAME)) {
if (le64_to_cpu(rxfd->rfs) & IPG_RFS_RXRUNTFRAME) {
IPG_DEBUG_MSG("RX runt occured.\n");
sp->stats.rx_length_errors++;
}
if (le64_to_cpu(rxfd->rfs & IPG_RFS_RXOVERSIZEDFRAME)) ;
if (le64_to_cpu(rxfd->rfs) & IPG_RFS_RXOVERSIZEDFRAME) ;
/* Do nothing, error count handled by a IPG
* statistic register.
*/
if (le64_to_cpu(rxfd->rfs & IPG_RFS_RXALIGNMENTERROR)) {
if (le64_to_cpu(rxfd->rfs) & IPG_RFS_RXALIGNMENTERROR) {
IPG_DEBUG_MSG("RX alignment error occured.\n");
sp->stats.rx_frame_errors++;
}
if (le64_to_cpu(rxfd->rfs & IPG_RFS_RXFCSERROR)) ;
if (le64_to_cpu(rxfd->rfs) & IPG_RFS_RXFCSERROR) ;
/* Do nothing, error count handled by a IPG
* statistic register.
*/
@ -1455,10 +1455,10 @@ static int ipg_nic_rx(struct net_device *dev)
* not pass it to higher layer processes.
*/
if (skb) {
u64 info = rxfd->frag_info;
__le64 info = rxfd->frag_info;
pci_unmap_single(sp->pdev,
le64_to_cpu(info & ~IPG_RFI_FRAGLEN),
le64_to_cpu(info) & ~IPG_RFI_FRAGLEN,
sp->rx_buf_sz, PCI_DMA_FROMDEVICE);
IPG_DEV_KFREE_SKB(skb);
@ -1532,9 +1532,9 @@ static int ipg_nic_rx(struct net_device *dev)
if (!i)
sp->EmptyRFDListCount++;
#endif
while ((le64_to_cpu(rxfd->rfs & IPG_RFS_RFDDONE)) &&
!((le64_to_cpu(rxfd->rfs & IPG_RFS_FRAMESTART)) &&
(le64_to_cpu(rxfd->rfs & IPG_RFS_FRAMEEND)))) {
while ((le64_to_cpu(rxfd->rfs) & IPG_RFS_RFDDONE) &&
!((le64_to_cpu(rxfd->rfs) & IPG_RFS_FRAMESTART) &&
(le64_to_cpu(rxfd->rfs) & IPG_RFS_FRAMEEND))) {
unsigned int entry = curr++ % IPG_RFDLIST_LENGTH;
rxfd = sp->rxd + entry;
@ -1552,7 +1552,7 @@ static int ipg_nic_rx(struct net_device *dev)
*/
if (sp->RxBuff[entry]) {
pci_unmap_single(sp->pdev,
le64_to_cpu(rxfd->frag_info & ~IPG_RFI_FRAGLEN),
le64_to_cpu(rxfd->frag_info) & ~IPG_RFI_FRAGLEN,
sp->rx_buf_sz, PCI_DMA_FROMDEVICE);
IPG_DEV_KFREE_SKB(sp->RxBuff[entry]);
}
@ -1730,7 +1730,7 @@ static void ipg_rx_clear(struct ipg_nic_private *sp)
IPG_DEV_KFREE_SKB(sp->RxBuff[i]);
sp->RxBuff[i] = NULL;
pci_unmap_single(sp->pdev,
le64_to_cpu(rxfd->frag_info & ~IPG_RFI_FRAGLEN),
le64_to_cpu(rxfd->frag_info) & ~IPG_RFI_FRAGLEN,
sp->rx_buf_sz, PCI_DMA_FROMDEVICE);
}
}
@ -1745,7 +1745,7 @@ static void ipg_tx_clear(struct ipg_nic_private *sp)
struct ipg_tx *txfd = sp->txd + i;
pci_unmap_single(sp->pdev,
le64_to_cpu(txfd->frag_info & ~IPG_TFI_FRAGLEN),
le64_to_cpu(txfd->frag_info) & ~IPG_TFI_FRAGLEN,
sp->TxBuff[i]->len, PCI_DMA_TODEVICE);
IPG_DEV_KFREE_SKB(sp->TxBuff[i]);