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| author | raghavendra.koushik@neterion.com <raghavendra.koushik@neterion.com> | 2005-08-03 12:30:43 -0700 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-11 00:10:44 -0400 |
| commit | 1ddc50d40a19b3524d302d1d6bfd52ac7bc6b6f7 (patch) | |
| tree | f97dc6eda470a52e1fbfb1a6dac52b79092752c7 /drivers/net/s2io.c | |
| parent | 7ba013ac029513eb4b70cfcd4b86e37c5f16c483 (diff) | |
| download | kernel_samsung_smdk4412-1ddc50d40a19b3524d302d1d6bfd52ac7bc6b6f7.zip kernel_samsung_smdk4412-1ddc50d40a19b3524d302d1d6bfd52ac7bc6b6f7.tar.gz kernel_samsung_smdk4412-1ddc50d40a19b3524d302d1d6bfd52ac7bc6b6f7.tar.bz2 | |
[PATCH] S2io: Removed memory leaks
Hi,
This patch fixes certain memory leaks discovered in free_tx_buffers()
and rx_osm_handler()
Signed-off-by: Ravinandan Arakali <ravinandan.arakali@neterion.com>
Signed-off-by: Raghavendra Koushik <raghavendra.koushik@neterion.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/net/s2io.c')
| -rw-r--r-- | drivers/net/s2io.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index e24c5e5..6668b99 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -1709,7 +1709,7 @@ static void free_tx_buffers(struct s2io_nic *nic) int i, j; mac_info_t *mac_control; struct config_param *config; - int cnt = 0; + int cnt = 0, frg_cnt; mac_control = &nic->mac_control; config = &nic->config; @@ -1722,11 +1722,33 @@ static void free_tx_buffers(struct s2io_nic *nic) (struct sk_buff *) ((unsigned long) txdp-> Host_Control); if (skb == NULL) { - memset(txdp, 0, sizeof(TxD_t)); + memset(txdp, 0, sizeof(TxD_t) * + config->max_txds); continue; } + frg_cnt = skb_shinfo(skb)->nr_frags; + pci_unmap_single(nic->pdev, (dma_addr_t) + txdp->Buffer_Pointer, + skb->len - skb->data_len, + PCI_DMA_TODEVICE); + if (frg_cnt) { + TxD_t *temp; + temp = txdp; + txdp++; + for (j = 0; j < frg_cnt; j++, txdp++) { + skb_frag_t *frag = + &skb_shinfo(skb)->frags[j]; + pci_unmap_page(nic->pdev, + (dma_addr_t) + txdp-> + Buffer_Pointer, + frag->size, + PCI_DMA_TODEVICE); + } + txdp = temp; + } dev_kfree_skb(skb); - memset(txdp, 0, sizeof(TxD_t)); + memset(txdp, 0, sizeof(TxD_t) * config->max_txds); cnt++; } DBG_PRINT(INTR_DBG, @@ -4570,6 +4592,11 @@ static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp) unsigned long long err = rxdp->Control_1 & RXD_T_CODE; DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%llx\n", dev->name, err); + dev_kfree_skb(skb); + sp->stats.rx_crc_errors++; + atomic_dec(&sp->rx_bufs_left[ring_no]); + rxdp->Host_Control = 0; + return 0; } /* Updating statistics */ |