[PATCH bpf-next v4 01/11] btf: make btf_set_contains take a const pointer

[Lorenz Bauer]

bsearch doesn't modify the contents of the array, so we can take a const 
pointer.

Signed-off-by: Lorenz Bauer <l...@cloudflare.com>
Acked-by: Andrii Nakryiko <andr...@fb.com>
---
 include/linux/bpf.h | 2 +-
 kernel/bpf/btf.c    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 5dcce0364634..4cbf92f5ecdb 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1901,6 +1901,6 @@ int bpf_arch_text_poke(void *ip, enum bpf_text_poke_type 
t,
                       void *addr1, void *addr2);
 
 struct btf_id_set;
-bool btf_id_set_contains(struct btf_id_set *set, u32 id);
+bool btf_id_set_contains(const struct btf_id_set *set, u32 id);
 
 #endif /* _LINUX_BPF_H */
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index f9ac6935ab3c..a2330f6fe2e6 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -4772,7 +4772,7 @@ static int btf_id_cmp_func(const void *a, const void *b)
        return *pa - *pb;
 }
 
-bool btf_id_set_contains(struct btf_id_set *set, u32 id)
+bool btf_id_set_contains(const struct btf_id_set *set, u32 id)
 {
        return bsearch(&id, set->ids, set->cnt, sizeof(u32), btf_id_cmp_func) 
!= NULL;
 }
-- 
2.25.1