Commit 74d5e8ac authored by FUJITA Tomonori's avatar FUJITA Tomonori Committed by Jeff Garzik
Browse files

dmfe: check pci_alloc_consistent errors 



We need to check the address that pci_alloc_consistent() returns since
it might fail.

Signed-off-by: default avatarFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 2d488c2f

drivers/net/tulip/dmfe.c

+11 −1
Original line number Diff line number Diff line
@@ -420,9 +420,13 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev, 
	/* Allocate Tx/Rx descriptor memory */

	db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) *

			DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr);

	if (!db->desc_pool_ptr)

		goto err_out_res;



	db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC *

			TX_DESC_CNT + 4, &db->buf_pool_dma_ptr);

	if (!db->buf_pool_ptr)

		goto err_out_free_desc;



	db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr;

	db->first_tx_desc_dma = db->desc_pool_dma_ptr;
@@ -469,7 +473,7 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev, 


	err = register_netdev (dev);

	if (err)

		goto err_out_res;

		goto err_out_free_buf;



	printk(KERN_INFO "%s: Davicom DM%04lx at pci%s, "

	       "%s, irq %d.\n",
@@ -483,6 +487,12 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev, 


	return 0;



err_out_free_buf:

	pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,

			    db->buf_pool_ptr, db->buf_pool_dma_ptr);

err_out_free_desc:

	pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20,

			    db->desc_pool_ptr, db->desc_pool_dma_ptr);

err_out_res:

	pci_release_regions(pdev);

err_out_disable: