linux-kernel - [PATCH 02/16] md/bitmap: Move an assignment for the variable "offset" in bitmap_storage

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Date:   Tue, 27 Sep 2016 18:48:13 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-raid@...r.kernel.org, Shaohua Li <shli@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 02/16] md/bitmap: Move an assignment for the variable "offset"
 in bitmap_storage_alloc()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 27 Sep 2016 13:10:05 +0200

Move the assignment for the local variable "offset" behind
the source code for memory allocations by this function.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/md/bitmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 8cfb02c..78512c6 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -759,7 +759,6 @@ static int bitmap_storage_alloc(struct bitmap_storage *store,
 		bytes += sizeof(bitmap_super_t);
 
 	num_pages = DIV_ROUND_UP(bytes, PAGE_SIZE);
-	offset = slot_number * num_pages;
 	store->filemap = kmalloc_array(num_pages,
 				       sizeof(*store->filemap),
 				       GFP_KERNEL);
@@ -772,6 +771,7 @@ static int bitmap_storage_alloc(struct bitmap_storage *store,
 			return -ENOMEM;
 	}
 
+	offset = slot_number * num_pages;
 	pnum = 0;
 	if (store->sb_page) {
 		store->filemap[0] = store->sb_page;
-- 
2.10.0