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linux-sg2042
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fix s2io regression 

* wrong argument passed to pci_unmap_single() on failure
   exit paths
 * leak in the same area

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 2007-08-02 19:21:30 +01:00 committed by Linus Torvalds
parent c73d83473e
commit 3e847423bf
1 changed files with 6 additions and 3 deletions
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9
drivers/net/s2io.c
View File

@ -2430,7 +2430,7 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no)
(rxdp3->Buffer1_ptr == DMA_ERROR_CODE)) {
pci_unmap_single
(nic->pdev,
(dma_addr_t)skb->data,
(dma_addr_t)rxdp3->Buffer2_ptr,
dev->mtu + 4,
PCI_DMA_FROMDEVICE);
goto pci_map_failed;
@ -6211,7 +6211,7 @@ static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp,
if( (rxdp3->Buffer0_ptr == 0) ||
(rxdp3->Buffer0_ptr == DMA_ERROR_CODE)) {
pci_unmap_single (sp->pdev,
(dma_addr_t)(*skb)->data,
(dma_addr_t)rxdp3->Buffer2_ptr,
dev->mtu + 4, PCI_DMA_FROMDEVICE);
goto memalloc_failed;
}
@ -6224,7 +6224,10 @@ static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp,
if( (rxdp3->Buffer1_ptr == 0) ||
(rxdp3->Buffer1_ptr == DMA_ERROR_CODE)) {
pci_unmap_single (sp->pdev,
(dma_addr_t)(*skb)->data,
(dma_addr_t)rxdp3->Buffer0_ptr,
BUF0_LEN, PCI_DMA_FROMDEVICE);
pci_unmap_single (sp->pdev,
(dma_addr_t)rxdp3->Buffer2_ptr,
dev->mtu + 4, PCI_DMA_FROMDEVICE);
goto memalloc_failed;
}