linux-kernel - [ 03/95] NFS: Use kcalloc() when allocating arrays

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Date:	Sun, 09 Sep 2012 23:41:53 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	Trond Myklebust <Trond.Myklebust@...app.com>
Subject: [ 03/95] NFS: Use kcalloc() when allocating arrays

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <Trond.Myklebust@...app.com>

commit 7d9dea915fe333357912bce2d624ee848dfbd890 upstream.

Signed-off-by: Trond Myklebust <Trond.Myklebust@...app.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 fs/nfs/blocklayout/extents.c |    2 +-
 fs/nfs/pnfs.c                |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/blocklayout/extents.c b/fs/nfs/blocklayout/extents.c
index 1abac09..1f9a603 100644
--- a/fs/nfs/blocklayout/extents.c
+++ b/fs/nfs/blocklayout/extents.c
@@ -147,7 +147,7 @@ static int _preload_range(struct pnfs_inval_markings *marks,
 	count = (int)(end - start) / (int)tree->mtt_step_size;
 
 	/* Pre-malloc what memory we might need */
-	storage = kmalloc(sizeof(*storage) * count, GFP_NOFS);
+	storage = kcalloc(count, sizeof(*storage), GFP_NOFS);
 	if (!storage)
 		return -ENOMEM;
 	for (i = 0; i < count; i++) {
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 17149a4..9292787 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -590,7 +590,7 @@ send_layoutget(struct pnfs_layout_hdr *lo,
 	max_resp_sz = server->nfs_client->cl_session->fc_attrs.max_resp_sz;
 	max_pages = max_resp_sz >> PAGE_SHIFT;
 
-	pages = kzalloc(max_pages * sizeof(struct page *), gfp_flags);
+	pages = kcalloc(max_pages, sizeof(struct page *), gfp_flags);
 	if (!pages)
 		goto out_err_free;
 


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