[PATCH] lib/bpf/libbpf: Simplify the code by using PTR_ERR_OR_ZERO
From: zhong jiang
Date: Tue Jul 31 2018 - 12:42:48 EST
Use PTR_ERR_OR_ZERO is better than the open code.
Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
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