bitmap: fix hwloc_bitmap_nr_ulongs()

Thanks to Norbert Eicker for the report. Closes #429 Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>
open-mpi · Oct 28, 2020 · fd07760 · fd07760
1 parent a3a68b4
commit fd07760
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/hwloc/bitmap.c b/hwloc/bitmap.c
@@ -1,6 +1,6 @@
 /*
  * Copyright © 2009 CNRS
- * Copyright © 2009-2018 Inria.  All rights reserved.
+ * Copyright © 2009-2020 Inria.  All rights reserved.
  * Copyright © 2009-2011 Université Bordeaux
  * Copyright © 2009-2011 Cisco Systems, Inc.  All rights reserved.
  * See COPYING in top-level directory.
@@ -818,7 +818,7 @@ int hwloc_bitmap_nr_ulongs(const struct hwloc_bitmap_s *set)
 		return -1;
 
 	last = hwloc_bitmap_last(set);
-	return (last + HWLOC_BITS_PER_LONG-1)/HWLOC_BITS_PER_LONG;
+	return (last + HWLOC_BITS_PER_LONG)/HWLOC_BITS_PER_LONG;
 }
 
 int hwloc_bitmap_only(struct hwloc_bitmap_s * set, unsigned cpu)