Re: [PATCH] nvdimm: ndtest: remove redundant NULL check before vfree()

[Dave Jiang]

On 7/3/26 6:55 AM, mdshahid03@xxxxxxxxx wrote:
> From: Mohammad Shahid <mdshahid03@xxxxxxxxx>
> 
> 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@xxxxxxxxx>

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

> ---
>  tools/testing/nvdimm/test/ndtest.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/tools/testing/nvdimm/test/ndtest.c b/tools/testing/nvdimm/test/ndtest.c
> index 8e3b6be53839..2051ad5d4882 100644
> --- a/tools/testing/nvdimm/test/ndtest.c
> +++ b/tools/testing/nvdimm/test/ndtest.c
> @@ -376,8 +376,7 @@ static void *ndtest_alloc_resource(struct ndtest_priv *p, size_t size,
>  buf_err:
>  	if (__dma && size >= DIMM_SIZE)
>  		gen_pool_free(ndtest_pool, __dma, size);
> -	if (buf)
> -		vfree(buf);
> +	vfree(buf);
>  	kfree(res);
>  
>  	return NULL;