netdev - [PATCH] lib/bpf/libbpf: Simplify the code by using PTR_ERR_OR

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Date:   Wed, 1 Aug 2018 00:30:56 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <ast@...nel.org>, <daniel@...earbox.net>, <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] lib/bpf/libbpf: Simplify the code by using PTR_ERR_OR_ZERO

Use PTR_ERR_OR_ZERO is better than the open code.

Signed-off-by: zhong jiang <zhongjiang@...wei.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 40211b5..9b61468 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -2271,9 +2271,7 @@ struct bpf_map *
 
 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,
-- 
1.7.12.4