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* [PATCH] bcache: Use PTR_ERR_OR_ZERO()
@ 2017-11-27 23:05 Vasyl Gomonovych
  2017-11-28  3:38 ` Coly Li
  2017-11-28 16:18 ` Michael Lyle
  0 siblings, 2 replies; 3+ messages in thread
From: Vasyl Gomonovych @ 2017-11-27 23:05 UTC (permalink / raw)
  To: kent.overstreet, shli, mingo, axboe, gregkh, kstewart,
	linux-bcache, linux-raid
  Cc: linux-kernel, gomonovych

Fix ptr_ret.cocci warnings:
drivers/md/bcache/btree.c:1800:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
---
 drivers/md/bcache/btree.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 658c54b3b07a..f43e49979cb2 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1797,10 +1797,7 @@ static int bch_gc_thread(void *arg)
 int bch_gc_thread_start(struct cache_set *c)
 {
 	c->gc_thread = kthread_run(bch_gc_thread, c, "bcache_gc");
-	if (IS_ERR(c->gc_thread))
-		return PTR_ERR(c->gc_thread);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(c->gc_thread);
 }
 
 /* Initial partial gc */
-- 
1.9.1

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

* Re: [PATCH] bcache: Use PTR_ERR_OR_ZERO()
  2017-11-27 23:05 [PATCH] bcache: Use PTR_ERR_OR_ZERO() Vasyl Gomonovych
@ 2017-11-28  3:38 ` Coly Li
  2017-11-28 16:18 ` Michael Lyle
  1 sibling, 0 replies; 3+ messages in thread
From: Coly Li @ 2017-11-28  3:38 UTC (permalink / raw)
  To: Vasyl Gomonovych
  Cc: kent.overstreet, shli, mingo, axboe, gregkh, kstewart,
	linux-bcache, linux-raid, linux-kernel

On 28/11/2017 7:05 AM, Vasyl Gomonovych wrote:
> Fix ptr_ret.cocci warnings:
> drivers/md/bcache/btree.c:1800:1-3: WARNING: PTR_ERR_OR_ZERO can be used
> 
> Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
> 
> Generated by: scripts/coccinelle/api/ptr_ret.cocci
> 
> Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>

Looks good to me. Reviewed-by: Coly Li <colyli@suse.de>

Thanks.

Coly Li

> ---
>  drivers/md/bcache/btree.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
> index 658c54b3b07a..f43e49979cb2 100644
> --- a/drivers/md/bcache/btree.c
> +++ b/drivers/md/bcache/btree.c
> @@ -1797,10 +1797,7 @@ static int bch_gc_thread(void *arg)
>  int bch_gc_thread_start(struct cache_set *c)
>  {
>  	c->gc_thread = kthread_run(bch_gc_thread, c, "bcache_gc");
> -	if (IS_ERR(c->gc_thread))
> -		return PTR_ERR(c->gc_thread);
> -
> -	return 0;
> +	return PTR_ERR_OR_ZERO(c->gc_thread);
>  }
>  
>  /* Initial partial gc */
> 

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

* Re: [PATCH] bcache: Use PTR_ERR_OR_ZERO()
  2017-11-27 23:05 [PATCH] bcache: Use PTR_ERR_OR_ZERO() Vasyl Gomonovych
  2017-11-28  3:38 ` Coly Li
@ 2017-11-28 16:18 ` Michael Lyle
  1 sibling, 0 replies; 3+ messages in thread
From: Michael Lyle @ 2017-11-28 16:18 UTC (permalink / raw)
  To: Vasyl Gomonovych, kent.overstreet, shli, mingo, axboe, gregkh,
	kstewart, linux-bcache, linux-raid
  Cc: linux-kernel

On 11/27/2017 03:05 PM, Vasyl Gomonovych wrote:
> Fix ptr_ret.cocci warnings:
> drivers/md/bcache/btree.c:1800:1-3: WARNING: PTR_ERR_OR_ZERO can be used
> 
> Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
> 
> Generated by: scripts/coccinelle/api/ptr_ret.cocci
> 
> Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>

lgtm.

Reviewed-by: Michael Lyle <mlyle@lyle.org>

Will carry in my tree.

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

end of thread, other threads:[~2017-11-28 16:18 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2017-11-27 23:05 [PATCH] bcache: Use PTR_ERR_OR_ZERO() Vasyl Gomonovych
2017-11-28  3:38 ` Coly Li
2017-11-28 16:18 ` Michael Lyle

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