linux-kernel - [PATCH] slub: fix confusing error messages in check

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Message-ID: <CAHkaATSEn9WMKJNRp5QvzPsno_vddtMXY39yvi=BGtb4M+Hqdw@mail.gmail.com>
Date:	Mon, 24 Nov 2014 23:06:14 +0800
From:	Min-Hua Chen <orca.chen@...il.com>
To:	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-mm@...ck.org
Subject: [PATCH] slub: fix confusing error messages in check_slab

In check_slab, s->name is passed incorrectly to the error
messages. It will cause confusing error messages if the object
check fails. This patch fix this bug by removing s->name.

Signed-off-by: Min-Hua Chen <orca.chen@...il.com>
---
 mm/slub.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index ae7b9f1..5da9f9f 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -849,12 +849,12 @@ static int check_slab(struct kmem_cache *s,
struct page *page)
     maxobj = order_objects(compound_order(page), s->size, s->reserved);
     if (page->objects > maxobj) {
         slab_err(s, page, "objects %u > max %u",
-            s->name, page->objects, maxobj);
+             page->objects, maxobj);
         return 0;
     }
     if (page->inuse > page->objects) {
         slab_err(s, page, "inuse %u > max %u",
-            s->name, page->inuse, page->objects);
+             page->inuse, page->objects);
         return 0;
     }
     /* Slab_pad_check fixes things up after itself */
-- 
1.7.10.4
--
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