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-rw-r--r--drivers/net/usb/pegasus.c35
1 files changed, 27 insertions, 8 deletions
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index e92cb51a2c77..060a8a03e6c4 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -360,28 +360,47 @@ fail:
}
#endif /* PEGASUS_WRITE_EEPROM */
-static inline void get_node_id(pegasus_t *pegasus, __u8 *id)
+static inline int get_node_id(pegasus_t *pegasus, u8 *id)
{
- int i;
- __u16 w16;
+ int i, ret;
+ u16 w16;
for (i = 0; i < 3; i++) {
- read_eprom_word(pegasus, i, &w16);
+ ret = read_eprom_word(pegasus, i, &w16);
+ if (ret < 0)
+ return ret;
((__le16 *) id)[i] = cpu_to_le16(w16);
}
+
+ return 0;
}
static void set_ethernet_addr(pegasus_t *pegasus)
{
- __u8 node_id[6];
+ int ret;
+ u8 node_id[6];
if (pegasus->features & PEGASUS_II) {
- get_registers(pegasus, 0x10, sizeof(node_id), node_id);
+ ret = get_registers(pegasus, 0x10, sizeof(node_id), node_id);
+ if (ret < 0)
+ goto err;
} else {
- get_node_id(pegasus, node_id);
- set_registers(pegasus, EthID, sizeof(node_id), node_id);
+ ret = get_node_id(pegasus, node_id);
+ if (ret < 0)
+ goto err;
+ ret = set_registers(pegasus, EthID, sizeof(node_id), node_id);
+ if (ret < 0)
+ goto err;
}
+
memcpy(pegasus->net->dev_addr, node_id, sizeof(node_id));
+
+ return;
+err:
+ eth_hw_addr_random(pegasus->net);
+ dev_info(&pegasus->intf->dev, "software assigned MAC address.\n");
+
+ return;
}
static inline int reset_mac(pegasus_t *pegasus)