Segfault bugfix thanks to Oliver Metz.

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@48 36d66b0a-2a48-0410-832c-cd162a569da5

diff --git a/lib/utils.c b/lib/utils.c
index 6566a08..8bffc50 100644 (file)
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -32,7 +32,9 @@ void set_error_va(const char *fmt, va_list va)
            error=NULL;
        }
 
-        vasprintf(&error, fmt, va);
+       if(!fmt) return;
+
+       vasprintf(&error, fmt, va);
 }
 
 void set_error(const char *fmt, ...)