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* [PATCH] recordmcount: Fix warning comparing pointer to 0
@ 2022-11-06 15:11 wangkailong
  2022-11-06 15:56 ` Christophe JAILLET
  0 siblings, 1 reply; 2+ messages in thread
From: wangkailong @ 2022-11-06 15:11 UTC (permalink / raw)
  To: linux-kernel

Fix the following coccicheck warning:

scripts/recordmcount.c:142:13-14: WARNING comparing pointer to 0.

Signed-off-by: KaiLong Wang <wangkailong@jari.cn>
---
 scripts/recordmcount.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index cce12e1971d8..750f5196608c 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -139,7 +139,7 @@ static ssize_t uwrite(void const *const buf, size_t const count)
 static void * umalloc(size_t size)
 {
 	void *const addr = malloc(size);
-	if (addr == 0) {
+	if (addr) {
 		fprintf(stderr, "malloc failed: %zu bytes\n", size);
 		file_append_cleanup();
 		mmap_cleanup();
-- 
2.25.1

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

* Re: [PATCH] recordmcount: Fix warning comparing pointer to 0
  2022-11-06 15:11 [PATCH] recordmcount: Fix warning comparing pointer to 0 wangkailong
@ 2022-11-06 15:56 ` Christophe JAILLET
  0 siblings, 0 replies; 2+ messages in thread
From: Christophe JAILLET @ 2022-11-06 15:56 UTC (permalink / raw)
  To: wangkailong, linux-kernel

Le 06/11/2022 à 16:11, wangkailong@jari.cn a écrit :
> Fix the following coccicheck warning:
> 
> scripts/recordmcount.c:142:13-14: WARNING comparing pointer to 0.
> 
> Signed-off-by: KaiLong Wang <wangkailong@jari.cn>
> ---
>   scripts/recordmcount.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
> index cce12e1971d8..750f5196608c 100644
> --- a/scripts/recordmcount.c
> +++ b/scripts/recordmcount.c
> @@ -139,7 +139,7 @@ static ssize_t uwrite(void const *const buf, size_t const count)
>   static void * umalloc(size_t size)
>   {
>   	void *const addr = malloc(size);
> -	if (addr == 0) {
> +	if (addr) {

Hi,
this change looks incorrect.

	if (!addr)

maybe?

CJ

>   		fprintf(stderr, "malloc failed: %zu bytes\n", size);
>   		file_append_cleanup();
>   		mmap_cleanup();


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

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2022-11-06 15:11 [PATCH] recordmcount: Fix warning comparing pointer to 0 wangkailong
2022-11-06 15:56 ` Christophe JAILLET

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