From: roel kluin <roel.kluin@gmail.com>
Date: Wed, 29 Oct 2008 21:18:07 +0000 (-0400)
Subject: slab: unsigned slabp->inuse cannot be less than 0
X-Git-Tag: v2.6.29-rc1~565^2~1^2~2
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=249b9f331ec162af5a1fdb80f90cce77c2043985;p=linux-2.6-omap-h63xx.git

slab: unsigned slabp->inuse cannot be less than 0

unsigned slabp->inuse cannot be less than 0

Acked-by: Christoph Lameter <cl@linux-foundation.org
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---

diff --git a/mm/slab.c b/mm/slab.c
index a1478779901..445bcc87b34 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2997,7 +2997,7 @@ retry:
 		 * there must be at least one object available for
 		 * allocation.
 		 */
-		BUG_ON(slabp->inuse < 0 || slabp->inuse >= cachep->num);
+		BUG_ON(slabp->inuse >= cachep->num);
 
 		while (slabp->inuse < cachep->num && batchcount--) {
 			STATS_INC_ALLOCED(cachep);