commit a187041e062c5b656def30a3ec282156360003f3
Author: Christos Zoulas <christos@zoulas.com>
Date:   Wed Jan 21 23:28:46 2015 -0500

    don't use logical && when & is meant

diff --git a/amd/map.c b/amd/map.c
index fce8273..0d404cf 100644
--- a/amd/map.c
+++ b/amd/map.c
@@ -752,7 +752,7 @@ umount_exported(void)
 	} else {
 	  am_unmounted(mp);
 	}
-	if (!(mf->mf_flags && (MFF_UNMOUNTING|MFF_MOUNTED)))
+	if (!(mf->mf_flags & (MFF_UNMOUNTING|MFF_MOUNTED)))
 	  exported_ap[i] = NULL;
       } else {
 	/*