From 89053aff0cc36dfcee6fda6e83b13f6f68c05a82 Mon Sep 17 00:00:00 2001
From: Thomas Hindoe Paaboel Andersen <phomes@gmail.com>
Date: Thu, 12 Jun 2014 22:50:04 +0200
Subject: [PATCH] cryptsetup: check that password is not null

Beef up the assert to protect against passing null to strlen.

Found with scan-build.

(cherry picked from commit f268f57f6344d3a2ccf447352ff3ed1313c4a199)
---
 src/cryptsetup/cryptsetup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cryptsetup/cryptsetup.c b/src/cryptsetup/cryptsetup.c
index 812b32f6..a67d85e6 100644
--- a/src/cryptsetup/cryptsetup.c
+++ b/src/cryptsetup/cryptsetup.c
@@ -344,7 +344,7 @@ static int attach_tcrypt(struct crypt_device *cd,
 
         assert(cd);
         assert(name);
-        assert(key_file || passwords);
+        assert(key_file || (passwords && passwords[0]));
 
         if (arg_tcrypt_hidden)
                 params.flags |= CRYPT_TCRYPT_HIDDEN_HEADER;