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* [PATCH 25/31] fs/ubifs: use kmemdup rather than duplicating its implementation
       [not found] <1438934377-4922-1-git-send-email-a.hajda@samsung.com>
@ 2015-08-07  7:59 ` Andrzej Hajda
  2015-08-08  9:12   ` Richard Weinberger
  2015-08-10  8:16   ` Artem Bityutskiy
  0 siblings, 2 replies; 3+ messages in thread
From: Andrzej Hajda @ 2015-08-07  7:59 UTC (permalink / raw)
  To: Artem Bityutskiy, Adrian Hunter
  Cc: Andrzej Hajda, Bartlomiej Zolnierkiewicz, Marek Szyprowski,
	linux-kernel, linux-mtd

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 <a.hajda@samsung.com>
---
 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);
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH 25/31] fs/ubifs: use kmemdup rather than duplicating its implementation
  2015-08-07  7:59 ` [PATCH 25/31] fs/ubifs: use kmemdup rather than duplicating its implementation Andrzej Hajda
@ 2015-08-08  9:12   ` Richard Weinberger
  2015-08-10  8:16   ` Artem Bityutskiy
  1 sibling, 0 replies; 3+ messages in thread
From: Richard Weinberger @ 2015-08-08  9:12 UTC (permalink / raw)
  To: Andrzej Hajda
  Cc: Artem Bityutskiy, Adrian Hunter, Marek Szyprowski,
	linux-mtd@lists.infradead.org, LKML, Bartlomiej Zolnierkiewicz

On Fri, Aug 7, 2015 at 9:59 AM, Andrzej Hajda <a.hajda@samsung.com> 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 <a.hajda@samsung.com>
> ---
>  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 <richard@nod.at>

-- 
Thanks,
//richard

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH 25/31] fs/ubifs: use kmemdup rather than duplicating its implementation
  2015-08-07  7:59 ` [PATCH 25/31] fs/ubifs: use kmemdup rather than duplicating its implementation Andrzej Hajda
  2015-08-08  9:12   ` Richard Weinberger
@ 2015-08-10  8:16   ` Artem Bityutskiy
  1 sibling, 0 replies; 3+ messages in thread
From: Artem Bityutskiy @ 2015-08-10  8:16 UTC (permalink / raw)
  To: Andrzej Hajda, Adrian Hunter
  Cc: Bartlomiej Zolnierkiewicz, Marek Szyprowski, linux-kernel,
	linux-mtd

On Fri, 2015-08-07 at 09:59 +0200, 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 <a.hajda@samsung.com>

Picked to 'linux-ubifs.git', thanks!

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2015-08-07  7:59 ` [PATCH 25/31] fs/ubifs: use kmemdup rather than duplicating its implementation Andrzej Hajda
2015-08-08  9:12   ` Richard Weinberger
2015-08-10  8:16   ` Artem Bityutskiy

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