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[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>
This commit is contained in:
raghavendra.koushik@neterion.com 2005-08-03 12:30:43 -07:00 committed by Jeff Garzik
parent 7ba013ac02
commit 1ddc50d40a
1 changed files with 30 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/net/s2io.c
View File

@ -1709,7 +1709,7 @@ static void free_tx_buffers(struct s2io_nic *nic)
int i, j; int i, j;
mac_info_t *mac_control; mac_info_t *mac_control;
struct config_param *config; struct config_param *config;
int cnt = 0; int cnt = 0, frg_cnt;
mac_control = &nic->mac_control; mac_control = &nic->mac_control;
config = &nic->config; config = &nic->config;
@ -1722,11 +1722,33 @@ static void free_tx_buffers(struct s2io_nic *nic)
(struct sk_buff *) ((unsigned long) txdp-> (struct sk_buff *) ((unsigned long) txdp->
Host_Control); Host_Control);
if (skb == NULL) { if (skb == NULL) {
memset(txdp, 0, sizeof(TxD_t)); memset(txdp, 0, sizeof(TxD_t) *
config->max_txds);
continue; 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); dev_kfree_skb(skb);
memset(txdp, 0, sizeof(TxD_t)); memset(txdp, 0, sizeof(TxD_t) * config->max_txds);
cnt++; cnt++;
} }
DBG_PRINT(INTR_DBG, 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; unsigned long long err = rxdp->Control_1 & RXD_T_CODE;
DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%llx\n", DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%llx\n",
dev->name, err); 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 */ /* Updating statistics */