From 0b8086379f0a062582c20471d6cd2646a6d22e93 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 21 Dec 2015 19:53:15 +0100
Subject: [PATCH] util-lib: make sure more bitmap calls can deal with NULL
 objects fine

---
 src/basic/bitmap.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/basic/bitmap.c b/src/basic/bitmap.c
index 95f59e4..c8b2427 100644
--- a/src/basic/bitmap.c
+++ b/src/basic/bitmap.c
@@ -140,7 +140,8 @@ bool bitmap_isset(Bitmap *b, unsigned n) {
 bool bitmap_isclear(Bitmap *b) {
         unsigned i;
 
-        assert(b);
+        if (!b)
+                return true;
 
         for (i = 0; i < b->n_bitmaps; i++)
                 if (b->bitmaps[i] != 0)
@@ -150,7 +151,9 @@ bool bitmap_isclear(Bitmap *b) {
 }
 
 void bitmap_clear(Bitmap *b) {
-        assert(b);
+
+        if (!b)
+                return;
 
         b->bitmaps = mfree(b->bitmaps);
         b->n_bitmaps = 0;
-- 
2.7.4