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* [PATCH] lightnvm: fix unnecessary NULL check warnings
@ 2021-02-02  1:41 Tian Tao
  2021-02-02  1:47 ` Chaitanya Kulkarni
  0 siblings, 1 reply; 5+ messages in thread
From: Tian Tao @ 2021-02-02  1:41 UTC (permalink / raw)
  To: mb; +Cc: linux-block

Remove NULL checks before vfree() to fix these warnings:
./drivers/lightnvm/pblk-gc.c:27:2-7: WARNING: NULL check before some
freeing functions is not needed.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
---
 drivers/lightnvm/pblk-gc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
index 2581eeb..b31658b 100644
--- a/drivers/lightnvm/pblk-gc.c
+++ b/drivers/lightnvm/pblk-gc.c
@@ -23,8 +23,7 @@
 
 static void pblk_gc_free_gc_rq(struct pblk_gc_rq *gc_rq)
 {
-	if (gc_rq->data)
-		vfree(gc_rq->data);
+	vfree(gc_rq->data);
 	kfree(gc_rq);
 }
 
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH] lightnvm: fix unnecessary NULL check warnings
  2021-02-02  1:41 [PATCH] lightnvm: fix unnecessary NULL check warnings Tian Tao
@ 2021-02-02  1:47 ` Chaitanya Kulkarni
  2021-02-02 16:00   ` Matias Bjørling
  0 siblings, 1 reply; 5+ messages in thread
From: Chaitanya Kulkarni @ 2021-02-02  1:47 UTC (permalink / raw)
  To: Tian Tao, mb; +Cc: linux-block

On 2/1/21 17:44, Tian Tao wrote:
> Remove NULL checks before vfree() to fix these warnings:
> ./drivers/lightnvm/pblk-gc.c:27:2-7: WARNING: NULL check before some
> freeing functions is not needed.
>
> Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Looks good.

Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] lightnvm: fix unnecessary NULL check warnings
  2021-02-02  1:47 ` Chaitanya Kulkarni
@ 2021-02-02 16:00   ` Matias Bjørling
  2021-02-02 17:24     ` Christoph Hellwig
  0 siblings, 1 reply; 5+ messages in thread
From: Matias Bjørling @ 2021-02-02 16:00 UTC (permalink / raw)
  To: Chaitanya Kulkarni, Tian Tao; +Cc: linux-block

On 02/02/2021 02.47, Chaitanya Kulkarni wrote:
> On 2/1/21 17:44, Tian Tao wrote:
>> Remove NULL checks before vfree() to fix these warnings:
>> ./drivers/lightnvm/pblk-gc.c:27:2-7: WARNING: NULL check before some
>> freeing functions is not needed.
>>
>> Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
> Looks good.
>
> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
>
Thanks, Tian and Chaitanya. I'll queue it up.


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] lightnvm: fix unnecessary NULL check warnings
  2021-02-02 16:00   ` Matias Bjørling
@ 2021-02-02 17:24     ` Christoph Hellwig
  2021-02-02 18:38       ` Matias Bjørling
  0 siblings, 1 reply; 5+ messages in thread
From: Christoph Hellwig @ 2021-02-02 17:24 UTC (permalink / raw)
  To: Matias Bj??rling; +Cc: Chaitanya Kulkarni, Tian Tao, linux-block

On Tue, Feb 02, 2021 at 05:00:34PM +0100, Matias Bj??rling wrote:
> Thanks, Tian and Chaitanya. I'll queue it up.

Didn't we plan to kill off lightnvm?

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] lightnvm: fix unnecessary NULL check warnings
  2021-02-02 17:24     ` Christoph Hellwig
@ 2021-02-02 18:38       ` Matias Bjørling
  0 siblings, 0 replies; 5+ messages in thread
From: Matias Bjørling @ 2021-02-02 18:38 UTC (permalink / raw)
  To: Christoph Hellwig, Jens Axboe; +Cc: Chaitanya Kulkarni, Tian Tao, linux-block

On 02/02/2021 18.24, Christoph Hellwig wrote:
> On Tue, Feb 02, 2021 at 05:00:34PM +0100, Matias Bj??rling wrote:
>> Thanks, Tian and Chaitanya. I'll queue it up.
> Didn't we plan to kill off lightnvm?

I haven't got a clear signal from Jens for me to go ahead and submit a 
patch to remove it, or if we wanted to first deprecate it, and then 
remove after it has been deprecated for a while.


^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2021-02-02 18:40 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-02-02  1:41 [PATCH] lightnvm: fix unnecessary NULL check warnings Tian Tao
2021-02-02  1:47 ` Chaitanya Kulkarni
2021-02-02 16:00   ` Matias Bjørling
2021-02-02 17:24     ` Christoph Hellwig
2021-02-02 18:38       ` Matias Bjørling

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