Re: [PATCH -next] bpf: Use PTR_ERR_OR_ZERO in xsk_map_inc()

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On 2019-08-20 03:36, YueHaibing wrote:
Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
  kernel/bpf/xskmap.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/xskmap.c b/kernel/bpf/xskmap.c
index 4cc28e226398..942c662e2eed 100644
--- a/kernel/bpf/xskmap.c
+++ b/kernel/bpf/xskmap.c
@@ -21,7 +21,7 @@ int xsk_map_inc(struct xsk_map *map)
  	struct bpf_map *m = &map->map;
m = bpf_map_inc(m, false);
-	return IS_ERR(m) ? PTR_ERR(m) : 0;
+	return PTR_ERR_OR_ZERO(m);
  }
void xsk_map_put(struct xsk_map *map)


Acked-by: Björn Töpel <bjorn.topel@xxxxxxxxx>

Thanks for the patch!

For future patches: Prefix AF_XDP socket work with "xsk:" and use "PATCH
bpf-next" to let the developers know what tree you're aiming for.



Cheers!
Björn







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