From: Jens Axboe <axboe@kernel.dk>
Date: Mon, 21 Jan 2013 16:43:30 +0000 (-0700)
Subject: axmap: clear map->first_free when we reset it
X-Git-Tag: fio-2.0.14~113
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=17f0fd39d8b1f8edb420721c38302bd46254db03

axmap: clear map->first_free when we reset it

Otherwise it could be left at an invalid value. When we clear the map,
we know the first free bit is 0.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/lib/axmap.c b/lib/axmap.c
index a44e0ecb..d9ad30bf 100644
--- a/lib/axmap.c
+++ b/lib/axmap.c
@@ -67,6 +67,8 @@ void axmap_reset(struct axmap *axmap)
 
 		memset(al->map, 0, al->map_size * sizeof(unsigned long));
 	}
+
+	axmap->first_free = 0;
 }
 
 void axmap_free(struct axmap *axmap)
@@ -101,7 +103,6 @@ struct axmap *axmap_new(unsigned long nr_bits)
 
 	axmap->nr_levels = levels;
 	axmap->levels = smalloc(axmap->nr_levels * sizeof(struct axmap_level));
-	axmap->first_free = 0;
 
 	for (i = 0; i < axmap->nr_levels; i++) {
 		struct axmap_level *al = &axmap->levels[i];