skill: ensure optarg is not null [smatch scan]

skill.c:549 skillsnice_parse(87) error: we previously assumed 'optarg' could be null (see line 539) Signed-off-by: Sami Kerola <kerolasa@iki.fi>
2012-02-05 20:54:58 +01:00
parent ffe5e0b08e
commit 8cd53e16b5
1 changed files with 1 additions and 1 deletions
--- a/skill.c
+++ b/skill.c
@ -546,7 +546,7 @@ static void skillsnice_parse(int argc,
 					ENLIST(tty, sbuf.st_rdev);
 					if (!NEXTARG)
 						break;
-				} else if (!(optarg[1])) {
+				} else if (optarg && !(optarg[1])) {
 					/* if only 1 character */
 					switch (*optarg) {
 					default: