diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/misc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/misc.c b/lib/misc.c index 532f0bfc1e..2d5f7c1985 100644 --- a/lib/misc.c +++ b/lib/misc.c @@ -159,6 +159,8 @@ int mem_parse_options(int argc, char *argv[], char *optstr, int *mode, *destfile = optarg; break; case 'x': + if (!swab) + return -EINVAL; *swab = 1; break; default: |