[PATCH] libbpf: fix warning PTR_ERR_OR_ZERO can be used

From: Hariprasad Kelam
Date: Sat May 25 2019 - 05:06:10 EST


fix below warning reported by coccicheck

/tools/lib/bpf/libbpf.c:3461:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@xxxxxxxxx>
---
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 197b574..33c25b6 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -3458,9 +3458,7 @@ bpf_object__find_map_by_offset(struct bpf_object *obj, size_t offset)

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,
--
2.7.4