Fix gunzip to work for any gziped uImage size

[oweals/u-boot.git] / net / eth.c

diff --git a/net/eth.c b/net/eth.c
index 6082c9007278d8a742702a17c3e4e81d86582164..3a7ff50bf3905c1602f4ab3ea705ebb7a2bfbf7d 100644 (file)
--- a/net/eth.c
+++ b/net/eth.c
@@ -166,20 +166,33 @@ int eth_get_dev_index (void)
        return (0);
 }
 
-int eth_register(struct eth_device* dev)
+static void eth_current_changed(void)
 {
-       struct eth_device *d;
-
-       if (!eth_devices) {
-               eth_current = eth_devices = dev;
 #ifdef CONFIG_NET_MULTI
+       {
+               char *act = getenv("ethact");
                /* update current ethernet name */
+               if (eth_current)
                {
-                       char *act = getenv("ethact");
                        if (act == NULL || strcmp(act, eth_current->name) != 0)
                                setenv("ethact", eth_current->name);
                }
+               /*
+                * remove the variable completely if there is no active
+                * interface
+                */
+               else if (act != NULL)
+                       setenv("ethact", NULL);
+       }
 #endif
+}
+
+int eth_register(struct eth_device *dev)
+{
+       struct eth_device *d;
+       if (!eth_devices) {
+               eth_current = eth_devices = dev;
+               eth_current_changed();
        } else {
                for (d=eth_devices; d->next!=eth_devices; d=d->next)
                        ;
@@ -271,14 +284,7 @@ int eth_initialize(bd_t *bis)
                        dev = dev->next;
                } while(dev != eth_devices);
 
-               /* update current ethernet name */
-               if (eth_current) {
-                       char *act = getenv("ethact");
-                       if (act == NULL || strcmp(act, eth_current->name) != 0)
-                               setenv("ethact", eth_current->name);
-               } else
-                       setenv("ethact", NULL);
-
+               eth_current_changed();
                putc ('\n');
        }
 
@@ -447,7 +453,7 @@ int eth_receive(volatile void *packet, int length)
 void eth_try_another(int first_restart)
 {
        static struct eth_device *first_failed = NULL;
-       char *ethrotate, *act;
+       char *ethrotate;
 
        /*
         * Do not rotate between network interfaces when
@@ -466,10 +472,7 @@ void eth_try_another(int first_restart)
 
        eth_current = eth_current->next;
 
-       /* update current ethernet name */
-       act = getenv("ethact");
-       if (act == NULL || strcmp(act, eth_current->name) != 0)
-               setenv("ethact", eth_current->name);
+       eth_current_changed();
 
        if (first_failed == eth_current) {
                NetRestartWrap = 1;
@@ -500,7 +503,7 @@ void eth_set_current(void)
                } while (old_current != eth_current);
        }
 
-       setenv("ethact", eth_current->name);
+       eth_current_changed();
 }
 
 char *eth_get_name (void)