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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-10-23 05:01:13 -0400
committerJeff Garzik <jgarzik@redhat.com>2008-10-27 14:49:02 -0400
commit74d5e8acd95ae934194303138a43b60005fcfad6 (patch)
treebdc794294ad9915deaf6c8168ec68c730d10924c /drivers/net/tulip/dmfe.c
parent2d488c2f514a6c5248a0773c78345626abdc1818 (diff)
dmfe: check pci_alloc_consistent errors
We need to check the address that pci_alloc_consistent() returns since it might fail. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/tulip/dmfe.c')
-rw-r--r--drivers/net/tulip/dmfe.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index 8e46a513a252..c91852f49a48 100644
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -420,9 +420,13 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev,
420 /* Allocate Tx/Rx descriptor memory */ 420 /* Allocate Tx/Rx descriptor memory */
421 db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * 421 db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) *
422 DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr); 422 DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr);
423 if (!db->desc_pool_ptr)
424 goto err_out_res;
423 425
424 db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * 426 db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC *
425 TX_DESC_CNT + 4, &db->buf_pool_dma_ptr); 427 TX_DESC_CNT + 4, &db->buf_pool_dma_ptr);
428 if (!db->buf_pool_ptr)
429 goto err_out_free_desc;
426 430
427 db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr; 431 db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr;
428 db->first_tx_desc_dma = db->desc_pool_dma_ptr; 432 db->first_tx_desc_dma = db->desc_pool_dma_ptr;
@@ -469,7 +473,7 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev,
469 473
470 err = register_netdev (dev); 474 err = register_netdev (dev);
471 if (err) 475 if (err)
472 goto err_out_res; 476 goto err_out_free_buf;
473 477
474 printk(KERN_INFO "%s: Davicom DM%04lx at pci%s, " 478 printk(KERN_INFO "%s: Davicom DM%04lx at pci%s, "
475 "%s, irq %d.\n", 479 "%s, irq %d.\n",
@@ -483,6 +487,12 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev,
483 487
484 return 0; 488 return 0;
485 489
490err_out_free_buf:
491 pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
492 db->buf_pool_ptr, db->buf_pool_dma_ptr);
493err_out_free_desc:
494 pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20,
495 db->desc_pool_ptr, db->desc_pool_dma_ptr);
486err_out_res: 496err_out_res:
487 pci_release_regions(pdev); 497 pci_release_regions(pdev);
488err_out_disable: 498err_out_disable: