Fix incorrect use of getenv() before relocation

[karo-tx-uboot.git] / board / lwmon5 / lwmon5.c

diff --git a/board/lwmon5/lwmon5.c b/board/lwmon5/lwmon5.c
index dd275bf777d686f986602ad7f4d4178eb2cb10f6..ecd9536145a63dfce56308a2a22e8b555ed4deea 100644 (file)
--- a/board/lwmon5/lwmon5.c
+++ b/board/lwmon5/lwmon5.c
@@ -333,13 +333,14 @@ int misc_init_r(void)
 
 int checkboard(void)
 {
-       char *s = getenv("serial#");
+       char buf[64];
+       int i = getenv_f("serial#", buf, sizeof(buf));
 
        puts("Board: lwmon5");
 
-       if (s != NULL) {
+       if (i > 0) {
                puts(", serial# ");
-               puts(s);
+               puts(buf);
        }
        putc('\n');