linux-kernel - [PATCH] libbpf: simplify the return expression of build_map_pin

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Message-Id: <20200818082008.12143-1-vulab@iscas.ac.cn>
Date:   Tue, 18 Aug 2020 08:20:08 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     ast@...nel.org, daniel@...earbox.net, kafai@...com,
        songliubraving@...com, yhs@...com, andriin@...com,
        john.fastabend@...il.com, kpsingh@...omium.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Xu Wang <vulab@...as.ac.cn>
Subject: [PATCH] libbpf: simplify the return expression of build_map_pin_path()

Simplify the return expression.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 tools/lib/bpf/libbpf.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 5055e1531e43..b423fdaae0b6 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1935,11 +1935,7 @@ static int build_map_pin_path(struct bpf_map *map, const char *path)
 	else if (len >= PATH_MAX)
 		return -ENAMETOOLONG;
 
-	err = bpf_map__set_pin_path(map, buf);
-	if (err)
-		return err;
-
-	return 0;
+	return bpf_map__set_pin_path(map, buf);
 }
 
 
-- 
2.17.1