The Linux Kernel Mailing List
 help / color / mirror / Atom feed
* [PATCH] nvdimm: nfit: remove redundant NULL check before vfree()
@ 2026-07-03 14:48 mdshahid03
  2026-07-06 22:32 ` Dave Jiang
  0 siblings, 1 reply; 2+ messages in thread
From: mdshahid03 @ 2026-07-03 14:48 UTC (permalink / raw)
  To: Dan Williams, Vishal Verma, Dave Jiang, Alison Schofield,
	Ira Weiny
  Cc: nvdimm, linux-kernel, Mohammad Shahid

From: Mohammad Shahid <mdshahid03@gmail.com>

vfree() safely handles NULL pointers, so the explicit NULL check
before calling vfree() is unnecessary.

This issue was reported by ifnullfree.cocci.

Signed-off-by: Mohammad Shahid <mdshahid03@gmail.com>
---
 tools/testing/nvdimm/test/nfit.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index f87e9f251d13..009fe107b0d7 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -1644,8 +1644,7 @@ static void *__test_alloc(struct nfit_test *t, size_t size, dma_addr_t *dma,
  err:
 	if (*dma && size >= DIMM_SIZE)
 		gen_pool_free(nfit_pool, *dma, size);
-	if (buf)
-		vfree(buf);
+	vfree(buf);
 	kfree(nfit_res);
 	return NULL;
 }
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] nvdimm: nfit: remove redundant NULL check before vfree()
  2026-07-03 14:48 [PATCH] nvdimm: nfit: remove redundant NULL check before vfree() mdshahid03
@ 2026-07-06 22:32 ` Dave Jiang
  0 siblings, 0 replies; 2+ messages in thread
From: Dave Jiang @ 2026-07-06 22:32 UTC (permalink / raw)
  To: mdshahid03, Dan Williams, Vishal Verma, Alison Schofield,
	Ira Weiny
  Cc: nvdimm, linux-kernel



On 7/3/26 7:48 AM, mdshahid03@gmail.com wrote:
> From: Mohammad Shahid <mdshahid03@gmail.com>
> 
> vfree() safely handles NULL pointers, so the explicit NULL check
> before calling vfree() is unnecessary.
> 
> This issue was reported by ifnullfree.cocci.
> 
> Signed-off-by: Mohammad Shahid <mdshahid03@gmail.com>

Reviewed-by: Dave Jiang <dave.jiang@intel.com>

> ---
>  tools/testing/nvdimm/test/nfit.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
> index f87e9f251d13..009fe107b0d7 100644
> --- a/tools/testing/nvdimm/test/nfit.c
> +++ b/tools/testing/nvdimm/test/nfit.c
> @@ -1644,8 +1644,7 @@ static void *__test_alloc(struct nfit_test *t, size_t size, dma_addr_t *dma,
>   err:
>  	if (*dma && size >= DIMM_SIZE)
>  		gen_pool_free(nfit_pool, *dma, size);
> -	if (buf)
> -		vfree(buf);
> +	vfree(buf);
>  	kfree(nfit_res);
>  	return NULL;
>  }


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2026-07-06 22:32 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-07-03 14:48 [PATCH] nvdimm: nfit: remove redundant NULL check before vfree() mdshahid03
2026-07-06 22:32 ` Dave Jiang

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox