Fix incorrect use of getenv() before relocation

[pandora-u-boot.git] / board / rbc823 / rbc823.c

diff --git a/board/rbc823/rbc823.c b/board/rbc823/rbc823.c
index e10d9f9..ddfba14 100644 (file)
--- a/board/rbc823/rbc823.c
+++ b/board/rbc823/rbc823.c
@@ -127,15 +127,16 @@ const uint static_table[] =
 
 int checkboard (void)
 {
-       char *s = getenv ("serial#");
+       char buf[64];
+       int i = getenv_f("serial#", buf, sizeof(buf));
 
-       if (!s || strncmp (s, "TQM8", 4)) {
+       if (i < 0 || strncmp(buf, "TQM8", 4)) {
                printf ("### No HW ID - assuming RBC823\n");
                return (0);
        }
 
-       puts (s);
-       putc ('\n');
+       puts(buf);
+       putc('\n');
 
        return (0);
 }