bpf: Remove unused parameter from check_map_kptr_access()

The parameter 'regno' in check_map_kptr_access() is unused. Remove it.

Acked-by: Puranjay Mohan <puranjay@kernel.org>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20260423033430.2537615-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 5b4806fdb648f4431966a6891e19d9dd5fa3324c..6118743d87e6cadd5d34df0d0ebc4cce4b881e87 100644 (file)
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -4710,7 +4710,7 @@ static int mark_uptr_ld_reg(struct bpf_verifier_env *env, u32 regno,
        return 0;
 }
 
-static int check_map_kptr_access(struct bpf_verifier_env *env, u32 regno,
+static int check_map_kptr_access(struct bpf_verifier_env *env,
                                 int value_regno, int insn_idx,
                                 struct btf_field *kptr_field)
 {
@@ -6357,7 +6357,7 @@ static int check_mem_access(struct bpf_verifier_env *env, int insn_idx, u32 regn
                        kptr_field = btf_record_find(reg->map_ptr->record,
                                                     off + reg->var_off.value, BPF_KPTR | BPF_UPTR);
                if (kptr_field) {
-                       err = check_map_kptr_access(env, regno, value_regno, insn_idx, kptr_field);
+                       err = check_map_kptr_access(env, value_regno, insn_idx, kptr_field);
                } else if (t == BPF_READ && value_regno >= 0) {
                        struct bpf_map *map = reg->map_ptr;