audioc: Improve documentation of main().

[paraslash.git] / fd.c

diff --git a/fd.c b/fd.c
index 6f9266f47a56cd8dee3e99b8651d12a89bb4069b..2e05313ea26ece1fd65315e80561fdd626f45fe1 100644 (file)
--- a/fd.c
+++ b/fd.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2012 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -563,6 +563,9 @@ out:
 int para_munmap(void *start, size_t length)
 {
        int err;
+
+       if (!start)
+               return 0;
        if (munmap(start, length) >= 0)
                return 1;
        err = errno;