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* [PATCH] libbpf: fix warning PTR_ERR_OR_ZERO can be used
@ 2019-05-25  9:02 Hariprasad Kelam
  2019-05-25 19:33 ` Yonghong Song
  2019-05-28  9:26 ` Daniel Borkmann
  0 siblings, 2 replies; 3+ messages in thread
From: Hariprasad Kelam @ 2019-05-25  9:02 UTC (permalink / raw)
  To: Alexei Starovoitov, Daniel Borkmann, Martin KaFai Lau, Song Liu,
	Yonghong Song, David S. Miller, Jakub Kicinski,
	Jesper Dangaard Brouer, John Fastabend, netdev, bpf,
	linux-kernel, xdp-newbies

fix below warning reported by coccicheck

/tools/lib/bpf/libbpf.c:3461:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
---
 tools/lib/bpf/libbpf.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 197b574..33c25b6 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -3458,9 +3458,7 @@ bpf_object__find_map_by_offset(struct bpf_object *obj, size_t offset)
 
 long libbpf_get_error(const void *ptr)
 {
-	if (IS_ERR(ptr))
-		return PTR_ERR(ptr);
-	return 0;
+	return PTR_ERR_OR_ZERO(ptr);
 }
 
 int bpf_prog_load(const char *file, enum bpf_prog_type type,
-- 
2.7.4


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

* Re: [PATCH] libbpf: fix warning PTR_ERR_OR_ZERO can be used
  2019-05-25  9:02 [PATCH] libbpf: fix warning PTR_ERR_OR_ZERO can be used Hariprasad Kelam
@ 2019-05-25 19:33 ` Yonghong Song
  2019-05-28  9:26 ` Daniel Borkmann
  1 sibling, 0 replies; 3+ messages in thread
From: Yonghong Song @ 2019-05-25 19:33 UTC (permalink / raw)
  To: Hariprasad Kelam, Alexei Starovoitov, Daniel Borkmann,
	Martin Lau, Song Liu, David S. Miller, Jakub Kicinski,
	Jesper Dangaard Brouer, John Fastabend, netdev, bpf,
	linux-kernel, xdp-newbies



On 5/25/19 2:02 AM, Hariprasad Kelam wrote:
> fix below warning reported by coccicheck
> 
> /tools/lib/bpf/libbpf.c:3461:1-3: WARNING: PTR_ERR_OR_ZERO can be used
> 
> Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Acked-by: Yonghong Song <yhs@fb.com>

> ---
>   tools/lib/bpf/libbpf.c | 4 +---
>   1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index 197b574..33c25b6 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -3458,9 +3458,7 @@ bpf_object__find_map_by_offset(struct bpf_object *obj, size_t offset)
>   
>   long libbpf_get_error(const void *ptr)
>   {
> -	if (IS_ERR(ptr))
> -		return PTR_ERR(ptr);
> -	return 0;
> +	return PTR_ERR_OR_ZERO(ptr);
>   }
>   
>   int bpf_prog_load(const char *file, enum bpf_prog_type type,
> 

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

* Re: [PATCH] libbpf: fix warning PTR_ERR_OR_ZERO can be used
  2019-05-25  9:02 [PATCH] libbpf: fix warning PTR_ERR_OR_ZERO can be used Hariprasad Kelam
  2019-05-25 19:33 ` Yonghong Song
@ 2019-05-28  9:26 ` Daniel Borkmann
  1 sibling, 0 replies; 3+ messages in thread
From: Daniel Borkmann @ 2019-05-28  9:26 UTC (permalink / raw)
  To: Hariprasad Kelam, Alexei Starovoitov, Martin KaFai Lau, Song Liu,
	Yonghong Song, David S. Miller, Jakub Kicinski,
	Jesper Dangaard Brouer, John Fastabend, netdev, bpf,
	linux-kernel, xdp-newbies

On 05/25/2019 11:02 AM, Hariprasad Kelam wrote:
> fix below warning reported by coccicheck
> 
> /tools/lib/bpf/libbpf.c:3461:1-3: WARNING: PTR_ERR_OR_ZERO can be used
> 
> Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>

Applied, thanks!

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

end of thread, other threads:[~2019-05-28  9:26 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2019-05-25  9:02 [PATCH] libbpf: fix warning PTR_ERR_OR_ZERO can be used Hariprasad Kelam
2019-05-25 19:33 ` Yonghong Song
2019-05-28  9:26 ` Daniel Borkmann

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