Fix problem in ppc4xx eth-driver without ethaddr (only without
CONFIG_NET_MULTI set)
Patch by Stefan Roese, 10 Oct 2005
diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c
index 34f6e97..d3f1de4 100644
--- a/cpu/ppc4xx/4xx_enet.c
+++ b/cpu/ppc4xx/4xx_enet.c
@@ -139,7 +139,7 @@
static uint32_t mal_ier;
#if !defined(CONFIG_NET_MULTI)
-struct eth_device *emac0_dev;
+struct eth_device *emac0_dev = NULL;
#endif
@@ -306,8 +306,10 @@
/* before doing anything, figure out if we have a MAC address */
/* if not, bail */
- if (memcmp (dev->enetaddr, "\0\0\0\0\0\0", 6) == 0)
+ if (memcmp (dev->enetaddr, "\0\0\0\0\0\0", 6) == 0) {
+ printf("ERROR: ethaddr not set!\n");
return -1;
+ }
#if defined(CONFIG_440GX)
/* Need to get the OPB frequency so we can access the PHY */
@@ -1486,12 +1488,16 @@
int eth_init (bd_t *bis)
{
ppc_4xx_eth_initialize(bis);
- return(ppc_4xx_eth_init(emac0_dev, bis));
+ if (emac0_dev) {
+ return ppc_4xx_eth_init(emac0_dev, bis);
+ } else {
+ printf("ERROR: ethaddr not set!\n");
+ return -1;
+ }
}
int eth_send(volatile void *packet, int length)
{
-
return (ppc_4xx_eth_send(emac0_dev, packet, length));
}