[PATCH 28/29] of_* commands: print usage when insufficient arguments are given

[Sascha Hauer]

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 commands/of_node.c     |    3 +++
 commands/of_property.c |    3 +++
 2 files changed, 6 insertions(+)

diff --git a/commands/of_node.c b/commands/of_node.c
index 27f070d..0249d97 100644
--- a/commands/of_node.c
+++ b/commands/of_node.c
@@ -53,6 +53,9 @@ static int do_of_node(int argc, char *argv[])
 		}
 	}
 
+	if (optind == argc)
+		return COMMAND_ERROR_USAGE;
+
 	if (optind < argc) {
 		path = argv[optind];
 	}
diff --git a/commands/of_property.c b/commands/of_property.c
index 1b968d8..5d35bb4 100644
--- a/commands/of_property.c
+++ b/commands/of_property.c
@@ -191,6 +191,9 @@ static int do_of_property(int argc, char *argv[])
 		}
 	}
 
+	if (optind == argc)
+		return COMMAND_ERROR_USAGE;
+
 	root = of_get_root_node();
 	if (!root) {
 		printf("root node not set\n");
-- 
1.7.10.4