diff options
| author | Thomas Preisner <thomas.preisner+linux@fau.de> | 2016-12-30 05:37:53 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-12-30 23:26:22 +0300 |
| commit | 107fded7bf616ad6f46823d98b8ed6405d7adf2d (patch) | |
| tree | a5f51356f922f3e6c6818fd3cc7db1a3b434968a /drivers/net/ethernet/3com/typhoon.c | |
| parent | 7bb387c5ab12aeac3d5eea28686489ff46b53ca9 (diff) | |
| download | linux-107fded7bf616ad6f46823d98b8ed6405d7adf2d.tar.xz | |
net: 3com: typhoon: typhoon_init_one: fix incorrect return values
In a few cases the err-variable is not set to a negative error code if a
function call in typhoon_init_one() fails and thus 0 is returned
instead.
It may be better to set err to the appropriate negative error
code before returning.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188841
Reported-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Thomas Preisner <thomas.preisner+linux@fau.de>
Signed-off-by: Milan Stephan <milan.stephan+linux@fau.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/3com/typhoon.c')
| -rw-r--r-- | drivers/net/ethernet/3com/typhoon.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/ethernet/3com/typhoon.c b/drivers/net/ethernet/3com/typhoon.c index 9fe3990319ec..25f2e92a67c4 100644 --- a/drivers/net/ethernet/3com/typhoon.c +++ b/drivers/net/ethernet/3com/typhoon.c @@ -2402,8 +2402,9 @@ typhoon_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) *(__be16 *)&dev->dev_addr[0] = htons(le16_to_cpu(xp_resp[0].parm1)); *(__be32 *)&dev->dev_addr[2] = htonl(le32_to_cpu(xp_resp[0].parm2)); - if(!is_valid_ether_addr(dev->dev_addr)) { + if (!is_valid_ether_addr(dev->dev_addr)) { err_msg = "Could not obtain valid ethernet address, aborting"; + err = -EIO; goto error_out_reset; } @@ -2411,7 +2412,8 @@ typhoon_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) * later when we print out the version reported. */ INIT_COMMAND_WITH_RESPONSE(&xp_cmd, TYPHOON_CMD_READ_VERSIONS); - if(typhoon_issue_command(tp, 1, &xp_cmd, 3, xp_resp) < 0) { + err = typhoon_issue_command(tp, 1, &xp_cmd, 3, xp_resp); + if (err < 0) { err_msg = "Could not get Sleep Image version"; goto error_out_reset; } @@ -2453,7 +2455,8 @@ typhoon_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->features = dev->hw_features | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_RXCSUM; - if(register_netdev(dev) < 0) { + err = register_netdev(dev); + if (err < 0) { err_msg = "unable to register netdev"; goto error_out_reset; } |