From 1ddc50d40a19b3524d302d1d6bfd52ac7bc6b6f7 Mon Sep 17 00:00:00 2001 From: "raghavendra.koushik@neterion.com" Date: Wed, 3 Aug 2005 12:30:43 -0700 Subject: [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 Signed-off-by: Raghavendra Koushik Signed-off-by: Jeff Garzik --- drivers/net/s2io.c | 33 ++++++++++++++++++++++++++++++--- 1 file changed, 30 insertions(+), 3 deletions(-) (limited to 'drivers/net/s2io.c') diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index e24c5e54473..6668b99025c 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 */ -- cgit v1.2.3