set errno in null cases, just in case.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/lib/libc/crypt/crypt.c b/src/lib/libc/crypt/crypt.c
index 76e02c235a..ba32d29752 100644
--- a/src/lib/libc/crypt/crypt.c
+++ b/src/lib/libc/crypt/crypt.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: crypt.c,v 1.28 2015/05/13 21:01:54 bluhm Exp $        */
+/*      $OpenBSD: crypt.c,v 1.29 2015/07/18 00:58:19 tedu Exp $ */
 
 #include <pwd.h>
 
@@ -10,9 +10,10 @@ crypt(const char *key, const char *setting)
                 case '2':
                         return bcrypt(key, setting);
                 default:
+                        errno = EINVAL;
                         return (NULL);
                 }
         }
-
+        errno = EINVAL;
         return (NULL);
 }