2017-11-27 23:12:50

by Vasyl Gomonovych

[permalink] [raw]
Subject: [PATCH] tools lib bpf: Use PTR_ERR_OR_ZERO()

Fix ptr_ret.cocci warnings:
tools/lib/bpf/libbpf.c:1744:1-3: WARNING: PTR_ERR_OR_ZERO can be used

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

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Signed-off-by: Vasyl Gomonovych <[email protected]>
---
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 35f6dfcdc565..c0894ef65631 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1741,9 +1741,7 @@ 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,
--
1.9.1


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