linux-kernel - [PATCH bpf-next] bpf: btf: fix inconsistent IS_ERR and PTR

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Date:   Tue, 24 Jul 2018 10:55:24 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <ast@...nel.org>, <daniel@...earbox.net>,
        <quentin.monnet@...ronome.com>, <jakub.kicinski@...ronome.com>,
        <bhole_prashant_q7@....ntt.co.jp>, <osk@...com>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <davem@...emloft.net>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH bpf-next] bpf: btf: fix inconsistent IS_ERR and PTR_ERR

Fix inconsistent IS_ERR and PTR_ERR in get_btf,
the proper pointer to be passed as argument is '*btf'

This issue was detected with the help of Coccinelle.

Fixes: 2d3feca8c44f ("bpf: btf: print map dump and lookup with btf info")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 tools/bpf/bpftool/map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index 9c81918..0ee3ba4 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -230,7 +230,7 @@ static int get_btf(struct bpf_map_info *map_info, struct btf **btf)
 
 	*btf = btf__new((__u8 *)btf_info.btf, btf_info.btf_size, NULL);
 	if (IS_ERR(*btf)) {
-		err = PTR_ERR(btf);
+		err = PTR_ERR(*btf);
 		*btf = NULL;
 	}
 
-- 
2.7.0