fdtget: Fix multiple arg bug and add test for it

There is a rather unfortunate bug in fdtget in that if multiple argument
sets are provided, it just repeats displaying the first set ones for
each set.

Fix this bug and add a test for it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 3 insertions, 3 deletions

diff --git a/fdtget.c b/fdtget.c
index 2c384b6..9783e04 100644
--- a/fdtget.c
+++ b/fdtget.c
@@ -146,13 +146,13 @@ static int do_fdtget(struct display_info *disp, const char *filename,
 		return -1;
 
 	for (i = 0; i + 2 <= arg_count; i += 2) {
-		node = fdt_path_offset(blob, arg[0]);
+		node = fdt_path_offset(blob, arg[i]);
 		if (node < 0) {
-			report_error(arg[0], node);
+			report_error(arg[i], node);
 			return -1;
 		}
 
-		if (show_data_for_item(blob, disp, node, arg[1]))
+		if (show_data_for_item(blob, disp, node, arg[i + 1]))
 			return -1;
 	}
 	return 0;