From: zhong jiang <zhongjiang@huawei.com>
To: <ast@kernel.org>, <daniel@iogearbox.net>, <davem@davemloft.net>
Cc: <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH] lib/bpf/libbpf: Simplify the code by using PTR_ERR_OR_ZERO
Date: Wed, 1 Aug 2018 00:30:56 +0800 [thread overview]
Message-ID: <1533054656-36134-1-git-send-email-zhongjiang@huawei.com> (raw)
Use PTR_ERR_OR_ZERO is better than the open code.
Signed-off-by: zhong jiang <zhongjiang@huawei.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
next reply other threads:[~2018-07-31 16:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-31 16:30 zhong jiang [this message]
2018-07-31 21:11 ` [PATCH] lib/bpf/libbpf: Simplify the code by using PTR_ERR_OR_ZERO Daniel Borkmann
2018-08-01 1:18 ` zhong jiang
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