Common/cmd_nvedit: Check for env subcommand

The env command needs one subcommand. If this is not available print the usage help. Signed-off-by: Thomas Weber <weber@corscience.de>

Common/cmd_nvedit: Check for env subcommand
The env command needs one subcommand. If this is not available print the usage help. Signed-off-by: Thomas Weber <weber@corscience.de>
Thomas Weber · Wolfgang Denk
1 parent 49e38030fe
Showing 1 changed file with 3 additions and 0 deletions Side-by-side Diff
common/cmd_nvedit.c
@@ -848,6 +848,9 @@
 {
 	cmd_tbl_t *cp;
  
+	if (argc < 2)
+		return cmd_usage(cmdtp);
+
 	/* drop initial "env" arg */
 	argc--;
 	argv++;
...	...	@@ -848,6 +848,9 @@
848	848	{
849	849	cmd_tbl_t *cp;
850	850
	851	+ if (argc < 2)
	852	+ return cmd_usage(cmdtp);
	853	+
851	854	/* drop initial "env" arg */
852	855	argc--;
853	856	argv++;