netdev - [PATCH -next] bpf: Use PTR_ERR_OR_ZERO in xsk_map

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Date:   Tue, 20 Aug 2019 01:36:52 +0000
From:   YueHaibing <yuehaibing@...wei.com>
To:     <bjorn.topel@...el.com>, <magnus.karlsson@...el.com>,
        <jonathan.lemon@...il.com>, <ast@...nel.org>,
        <daniel@...earbox.net>, <kafai@...com>, <songliubraving@...com>,
        <yhs@...com>, <john.fastabend@...il.com>
CC:     YueHaibing <yuehaibing@...wei.com>, <netdev@...r.kernel.org>,
        <bpf@...r.kernel.org>, <kernel-janitors@...r.kernel.org>
Subject: [PATCH -next] bpf: Use PTR_ERR_OR_ZERO in xsk_map_inc()

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 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)