board: gateworks: venice: do not overwrite serial#

Do not overwrite existing serial# env to avoid:
 ## Error: Can't overwrite "serial#"
 ## Error inserting "serial#" variable, errno=1

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

diff --git a/board/gateworks/venice/imx8mm_venice.c b/board/gateworks/venice/imx8mm_venice.c
index 2a97d55..46f4bff 100644 (file)
--- a/board/gateworks/venice/imx8mm_venice.c
+++ b/board/gateworks/venice/imx8mm_venice.c
@@ -114,7 +114,8 @@ int board_late_init(void)
        led_default_state();
 
        /* Set board serial/model */
-       env_set_ulong("serial#", gsc_get_serial());
+       if (!env_get("serial#"))
+               env_set_ulong("serial#", gsc_get_serial());
        env_set("model", gsc_get_model());
 
        /* Set fdt_file vars */