linux-kernel - [PATCH 4/8] GFS2: replace count*size kzalloc by kcalloc

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Message-Id: <1405679865-15728-5-git-send-email-swhiteho@redhat.com>
Date:	Fri, 18 Jul 2014 11:37:41 +0100
From:	Steven Whitehouse <swhiteho@...hat.com>
To:	linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Cc:	Fabian Frederick <fabf@...net.be>,
	Steven Whitehouse <swhiteho@...hat.com>
Subject: [PATCH 4/8] GFS2: replace count*size kzalloc by kcalloc

From: Fabian Frederick <fabf@...net.be>

kcalloc manages count*sizeof overflow.

Cc: cluster-devel@...hat.com
Signed-off-by: Fabian Frederick <fabf@...net.be>
Signed-off-by: Steven Whitehouse <swhiteho@...hat.com>

diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index 91f274d..4fafea1 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -1036,8 +1036,8 @@ static int set_recover_size(struct gfs2_sbd *sdp, struct dlm_slot *slots,
 
 	new_size = old_size + RECOVER_SIZE_INC;
 
-	submit = kzalloc(new_size * sizeof(uint32_t), GFP_NOFS);
-	result = kzalloc(new_size * sizeof(uint32_t), GFP_NOFS);
+	submit = kcalloc(new_size, sizeof(uint32_t), GFP_NOFS);
+	result = kcalloc(new_size, sizeof(uint32_t), GFP_NOFS);
 	if (!submit || !result) {
 		kfree(submit);
 		kfree(result);
-- 
1.8.3.1

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