diff options
Diffstat (limited to 'usr.sbin/mixer/mixer.c')
| -rw-r--r-- | usr.sbin/mixer/mixer.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/usr.sbin/mixer/mixer.c b/usr.sbin/mixer/mixer.c index 591d42c9ebf4..23193f22324b 100644 --- a/usr.sbin/mixer/mixer.c +++ b/usr.sbin/mixer/mixer.c @@ -241,6 +241,11 @@ main(int argc, char *argv[]) lrel = rrel = 0; if (argc > 1) { m = sscanf(argv[1], "%7[^:]:%7s", lstr, rstr); + if (m == EOF) { + warnx("invalid value: %s", argv[1]); + dusage = 1; + break; + } if (m > 0) { if (*lstr == '+' || *lstr == '-') lrel = rrel = 1; |