pasemi_mac: mac_to_intf() error not noticed
mac_to_intf() can return -1 when no device or function is found, but when
mac->dma_if is unsigned. The error wasn't noticed.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index 6ea4539..c254a7f 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -1733,7 +1733,7 @@
{
struct net_device *dev;
struct pasemi_mac *mac;
- int err;
+ int err, ret;
err = pci_enable_device(pdev);
if (err)
@@ -1791,12 +1791,13 @@
}
memcpy(dev->dev_addr, mac->mac_addr, sizeof(mac->mac_addr));
- mac->dma_if = mac_to_intf(mac);
- if (mac->dma_if < 0) {
+ ret = mac_to_intf(mac);
+ if (ret < 0) {
dev_err(&mac->pdev->dev, "Can't map DMA interface\n");
err = -ENODEV;
goto out;
}
+ mac->dma_if = ret;
switch (pdev->device) {
case 0xa005: