ethernet: tulip: fix missing pci_disable_device() on error in tulip_init_one()
authorYang Yingliang <yangyingliang@huawei.com>
Fri, 6 May 2022 09:42:50 +0000 (17:42 +0800)
committerJakub Kicinski <kuba@kernel.org>
Mon, 9 May 2022 22:52:38 +0000 (15:52 -0700)
Fix the missing pci_disable_device() before return
from tulip_init_one() in the error handling case.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220506094250.3630615-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/dec/tulip/tulip_core.c

index 79df5a7..0040dca 100644 (file)
@@ -1399,8 +1399,10 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        /* alloc_etherdev ensures aligned and zeroed private structures */
        dev = alloc_etherdev (sizeof (*tp));
-       if (!dev)
+       if (!dev) {
+               pci_disable_device(pdev);
                return -ENOMEM;
+       }
 
        SET_NETDEV_DEV(dev, &pdev->dev);
        if (pci_resource_len (pdev, 0) < tulip_tbl[chip_idx].io_size) {
@@ -1785,6 +1787,7 @@ err_out_free_res:
 
 err_out_free_netdev:
        free_netdev (dev);
+       pci_disable_device(pdev);
        return -ENODEV;
 }