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 <[email protected]> --- cmd/mvebu/bubt.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/cmd/mvebu/bubt.c b/cmd/mvebu/bubt.c index 276069a0efc2..ffa05bc20181 100644 --- a/cmd/mvebu/bubt.c +++ b/cmd/mvebu/bubt.c @@ -870,11 +870,11 @@ int do_bubt_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) 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 @@ int do_bubt_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) 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; } -- 2.20.1

