linux-kernel - [PATCH] omfs: make use of kmemdup

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Date:   Fri, 13 Sep 2019 22:41:34 +0530
From:   Saiyam Doshi <saiyamdoshi.in@...il.com>
To:     me@...copeland.com
Cc:     linux-karma-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: [PATCH] omfs: make use of kmemdup

Replace call to kmalloc followed by memcpy with a direct call
to kmemdup to achieve same functionality.

Signed-off-by: Saiyam Doshi <saiyamdoshi.in@...il.com>
---
 fs/omfs/inode.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index b76ec6b88ded..788b41096962 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -363,12 +363,13 @@ static int omfs_get_imap(struct super_block *sb)
 		bh = sb_bread(sb, block++);
 		if (!bh)
 			goto nomem_free;
-		*ptr = kmalloc(sb->s_blocksize, GFP_KERNEL);
+
+		*ptr = kmemdup(bh->b_data, sb->s_blocksize, GFP_KERNEL);
 		if (!*ptr) {
 			brelse(bh);
 			goto nomem_free;
 		}
-		memcpy(*ptr, bh->b_data, sb->s_blocksize);
+
 		if (count < sb->s_blocksize)
 			memset((void *)*ptr + count, 0xff,
 				sb->s_blocksize - count);
-- 
2.20.1