diff options
Diffstat (limited to 'src/drivers/rgbled/rgbled.cpp')
| -rw-r--r-- | src/drivers/rgbled/rgbled.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/drivers/rgbled/rgbled.cpp b/src/drivers/rgbled/rgbled.cpp index 34a45c739..d49211b7b 100644 --- a/src/drivers/rgbled/rgbled.cpp +++ b/src/drivers/rgbled/rgbled.cpp @@ -574,7 +574,7 @@ rgbled_main(int argc, char *argv[]) int ch; /* jump over start/off/etc and look at options first */ - while ((ch = getopt(argc - 1, &argv[1], "a:b:")) != EOF) { + while ((ch = getopt(argc, argv, "a:b:")) != EOF) { switch (ch) { case 'a': rgbledadr = strtol(optarg, NULL, 0); @@ -590,7 +590,12 @@ rgbled_main(int argc, char *argv[]) } } - const char *verb = argv[1]; + if (optind >= argc) { + rgbled_usage(); + exit(1); + } + + const char *verb = argv[optind]; int fd; int ret; |