From: Theodore Tso <tytso@mit.edu>
Date: Thu, 3 Jun 1993 00:11:44 +0000 (+0000)
Subject: Fix bug where an allocated structure was used before it was checked to
X-Git-Tag: krb5-1.0-beta3~286
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=22a9b4318e323040f7931281cf8914d07c07210a;p=krb5.git

Fix bug where an allocated structure was used before it was checked to
see if it were null.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@2552 dc483132-0cff-0310-8789-dd5450dbe970
---

diff --git a/src/lib/krb5/krb/copy_auth.c b/src/lib/krb5/krb/copy_auth.c
index c4352191c..f3d19865e 100644
--- a/src/lib/krb5/krb/copy_auth.c
+++ b/src/lib/krb5/krb/copy_auth.c
@@ -65,13 +65,13 @@ krb5_authdata ***outauthdat;
     krb5_authdata ** tempauthdat;
     register int nelems = 0;
 
-    while (inauthdat[nelems]) nelems++;
-
     if (!inauthdat) {
 	    *outauthdat = 0;
 	    return 0;
     }
 
+    while (inauthdat[nelems]) nelems++;
+
     /* one more for a null terminated list */
     if (!(tempauthdat = (krb5_authdata **) calloc(nelems+1,
 						  sizeof(*tempauthdat))))