net: add helper to generate random mac address

[karo-tx-uboot.git] / common / stdio.c

diff --git a/common/stdio.c b/common/stdio.c
index ab7c5abde1bbe3c0eb4048b07c7b390ef47adaec..1bf9ba082978c074d2b5b6baf21827e1484a6449 100644 (file)
--- a/common/stdio.c
+++ b/common/stdio.c
@@ -105,7 +105,7 @@ struct list_head* stdio_get_list(void)
        return &(devs.list);
 }
 
-struct stdio_dev* stdio_get_by_name(char* name)
+struct stdio_dev* stdio_get_by_name(const char *name)
 {
        struct list_head *pos;
        struct stdio_dev *dev;
@@ -155,12 +155,12 @@ int stdio_register (struct stdio_dev * dev)
  * returns 0 if success, -1 if device is assigned and 1 if devname not found
  */
 #ifdef CONFIG_SYS_STDIO_DEREGISTER
-int stdio_deregister(char *devname)
+int stdio_deregister(const char *devname)
 {
        int l;
        struct list_head *pos;
        struct stdio_dev *dev;
-       char temp_names[3][8];
+       char temp_names[3][16];
 
        dev = stdio_get_by_name(devname);
 
@@ -174,7 +174,7 @@ int stdio_deregister(char *devname)
                }
                memcpy (&temp_names[l][0],
                        stdio_devices[l]->name,
-                       sizeof(stdio_devices[l]->name));
+                       sizeof(temp_names[l]));
        }
 
        list_del(&(dev->list));