cmd: mvebu/bubt: Fix cmd main return value on error
Negative return value from cmd main function cause U-Boot to print criplic
error message: exit not allowed from main input shell.
Set return value on error to 1.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/cmd/mvebu/bubt.c b/cmd/mvebu/bubt.c
index 276069a..ffa05bc 100644
--- a/cmd/mvebu/bubt.c
+++ b/cmd/mvebu/bubt.c
@@ -870,11 +870,11 @@
dst = find_bubt_dev(dst_dev_name);
if (!dst) {
printf("Error: Unknown destination \"%s\"\n", dst_dev_name);
- return -EINVAL;
+ return 1;
}
if (!bubt_is_dev_active(dst))
- return -ENODEV;
+ return 1;
/* Figure out the source device */
src = find_bubt_dev(src_dev_name);
@@ -891,15 +891,15 @@
image_size = bubt_read_file(src);
if (!image_size)
- return -EIO;
+ return 1;
err = bubt_verify(dst);
if (err)
- return err;
+ return 1;
err = bubt_write_file(dst, image_size);
if (err)
- return err;
+ return 1;
return 0;
}