Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964786AbbHHJMw (ORCPT ); Sat, 8 Aug 2015 05:12:52 -0400 Received: from mail-ob0-f178.google.com ([209.85.214.178]:33328 "EHLO mail-ob0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932432AbbHHJMt (ORCPT ); Sat, 8 Aug 2015 05:12:49 -0400 MIME-Version: 1.0 In-Reply-To: <1438934377-4922-26-git-send-email-a.hajda@samsung.com> References: <1438934377-4922-1-git-send-email-a.hajda@samsung.com> <1438934377-4922-26-git-send-email-a.hajda@samsung.com> Date: Sat, 8 Aug 2015 11:12:49 +0200 Message-ID: Subject: Re: [PATCH 25/31] fs/ubifs: use kmemdup rather than duplicating its implementation From: Richard Weinberger To: Andrzej Hajda Cc: Artem Bityutskiy , Adrian Hunter , Marek Szyprowski , "linux-mtd@lists.infradead.org" , LKML , Bartlomiej Zolnierkiewicz Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2523 Lines: 70 On Fri, Aug 7, 2015 at 9:59 AM, Andrzej Hajda wrote: > The patch was generated using fixed coccinelle semantic patch > scripts/coccinelle/api/memdup.cocci [1]. > > [1]: http://permalink.gmane.org/gmane.linux.kernel/2014320 > > Signed-off-by: Andrzej Hajda > --- > fs/ubifs/lpt.c | 6 ++---- > fs/ubifs/tnc.c | 3 +-- > 2 files changed, 3 insertions(+), 6 deletions(-) > > diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c > index dc9f27e..9a51710 100644 > --- a/fs/ubifs/lpt.c > +++ b/fs/ubifs/lpt.c > @@ -1498,11 +1498,10 @@ static struct ubifs_nnode *dirty_cow_nnode(struct ubifs_info *c, > } > > /* nnode is being committed, so copy it */ > - n = kmalloc(sizeof(struct ubifs_nnode), GFP_NOFS); > + n = kmemdup(nnode, sizeof(struct ubifs_nnode), GFP_NOFS); > if (unlikely(!n)) > return ERR_PTR(-ENOMEM); > > - memcpy(n, nnode, sizeof(struct ubifs_nnode)); > n->cnext = NULL; > __set_bit(DIRTY_CNODE, &n->flags); > __clear_bit(COW_CNODE, &n->flags); > @@ -1549,11 +1548,10 @@ static struct ubifs_pnode *dirty_cow_pnode(struct ubifs_info *c, > } > > /* pnode is being committed, so copy it */ > - p = kmalloc(sizeof(struct ubifs_pnode), GFP_NOFS); > + p = kmemdup(pnode, sizeof(struct ubifs_pnode), GFP_NOFS); > if (unlikely(!p)) > return ERR_PTR(-ENOMEM); > > - memcpy(p, pnode, sizeof(struct ubifs_pnode)); > p->cnext = NULL; > __set_bit(DIRTY_CNODE, &p->flags); > __clear_bit(COW_CNODE, &p->flags); > diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c > index 957f575..fa9a20c 100644 > --- a/fs/ubifs/tnc.c > +++ b/fs/ubifs/tnc.c > @@ -198,11 +198,10 @@ static struct ubifs_znode *copy_znode(struct ubifs_info *c, > { > struct ubifs_znode *zn; > > - zn = kmalloc(c->max_znode_sz, GFP_NOFS); > + zn = kmemdup(znode, c->max_znode_sz, GFP_NOFS); > if (unlikely(!zn)) > return ERR_PTR(-ENOMEM); > > - memcpy(zn, znode, c->max_znode_sz); > zn->cnext = NULL; > __set_bit(DIRTY_ZNODE, &zn->flags); > __clear_bit(COW_ZNODE, &zn->flags); Reviewed-by: Richard Weinberger -- Thanks, //richard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/