From: Yonghong Song <yonghong.song@linux.dev>
To: bpf@vger.kernel.org
Cc: Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
"Jose E . Marchesi" <jose.marchesi@oracle.com>,
kernel-team@fb.com, Martin KaFai Lau <martin.lau@kernel.org>
Subject: [PATCH bpf-next v6 01/17] bpf: Remove unused parameter from check_map_kptr_access()
Date: Sun, 19 Apr 2026 09:33:21 -0700 [thread overview]
Message-ID: <20260419163321.732300-1-yonghong.song@linux.dev> (raw)
In-Reply-To: <20260419163316.731019-1-yonghong.song@linux.dev>
The parameter 'regno' in check_map_kptr_access() is unused. Remove it.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
---
kernel/bpf/verifier.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 69d75515ed3f..0f9da0f6220b 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -4719,7 +4719,7 @@ 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)
{
@@ -6366,7 +6366,7 @@ 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;
--
2.52.0
next prev parent reply other threads:[~2026-04-19 16:33 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-19 16:33 [PATCH bpf-next v6 00/17] bpf: Support stack arguments for BPF functions and kfuncs Yonghong Song
2026-04-19 16:33 ` Yonghong Song [this message]
2026-04-19 16:33 ` [PATCH bpf-next v6 02/17] bpf: Refactor to avoid redundant calculation of bpf_reg_state Yonghong Song
2026-04-19 16:33 ` [PATCH bpf-next v6 03/17] bpf: Refactor to handle memory and size together Yonghong Song
2026-04-20 23:58 ` Alexei Starovoitov
2026-04-21 4:04 ` Yonghong Song
2026-04-19 16:33 ` [PATCH bpf-next v6 04/17] bpf: Prepare verifier logs for upcoming kfunc stack arguments Yonghong Song
2026-04-21 0:03 ` Alexei Starovoitov
2026-04-21 4:06 ` Yonghong Song
2026-04-21 6:07 ` Yonghong Song
2026-04-21 13:48 ` Alexei Starovoitov
2026-04-21 15:41 ` Yonghong Song
2026-04-21 15:46 ` Alexei Starovoitov
2026-04-21 16:37 ` Yonghong Song
2026-04-21 17:24 ` Yonghong Song
2026-04-19 16:33 ` [PATCH bpf-next v6 05/17] bpf: Introduce bpf register BPF_REG_PARAMS Yonghong Song
2026-04-19 17:06 ` sashiko-bot
2026-04-19 18:14 ` Yonghong Song
2026-04-19 16:33 ` [PATCH bpf-next v6 06/17] bpf: Reuse MAX_BPF_FUNC_ARGS for maximum number of arguments Yonghong Song
2026-04-19 16:33 ` [PATCH bpf-next v6 07/17] bpf: Support stack arguments for bpf functions Yonghong Song
2026-04-19 19:15 ` sashiko-bot
2026-04-20 4:35 ` Yonghong Song
2026-04-21 0:37 ` Alexei Starovoitov
2026-04-21 4:15 ` Yonghong Song
2026-04-19 16:33 ` [PATCH bpf-next v6 08/17] bpf: Reject stack arguments in non-JITed programs Yonghong Song
2026-04-19 18:21 ` sashiko-bot
2026-04-20 4:23 ` Yonghong Song
2026-04-19 16:34 ` [PATCH bpf-next v6 09/17] bpf: Track r11 registers in const_fold and liveness Yonghong Song
2026-04-19 16:34 ` [PATCH bpf-next v6 10/17] bpf: Prepare architecture JIT support for stack arguments Yonghong Song
2026-04-19 16:34 ` [PATCH bpf-next v6 11/17] bpf: Enable r11 based insns Yonghong Song
2026-04-19 16:34 ` [PATCH bpf-next v6 12/17] bpf: Support stack arguments for kfunc calls Yonghong Song
2026-04-19 17:08 ` sashiko-bot
2026-04-19 18:18 ` Yonghong Song
2026-04-19 16:34 ` [PATCH bpf-next v6 13/17] bpf: Reject stack arguments if tail call reachable Yonghong Song
2026-04-19 17:08 ` sashiko-bot
2026-04-19 18:20 ` Yonghong Song
2026-04-19 16:34 ` [PATCH bpf-next v6 14/17] bpf,x86: Implement JIT support for stack arguments Yonghong Song
2026-04-19 17:25 ` sashiko-bot
2026-04-19 18:55 ` Yonghong Song
2026-04-19 16:34 ` [PATCH bpf-next v6 15/17] selftests/bpf: Add tests for BPF function " Yonghong Song
2026-04-19 17:15 ` sashiko-bot
2026-04-20 5:52 ` Yonghong Song
2026-04-19 16:34 ` [PATCH bpf-next v6 16/17] selftests/bpf: Add tests for stack argument validation Yonghong Song
2026-04-19 16:34 ` [PATCH bpf-next v6 17/17] selftests/bpf: Add verifier " Yonghong Song
2026-04-19 17:21 ` sashiko-bot
2026-04-20 6:14 ` Yonghong Song
2026-04-20 15:41 ` [PATCH bpf-next v6 00/17] bpf: Support stack arguments for BPF functions and kfuncs Puranjay Mohan
2026-04-20 20:22 ` Yonghong Song
2026-04-20 20:25 ` Puranjay Mohan
2026-04-20 21:49 ` Alexei Starovoitov
2026-04-20 23:44 ` Yonghong Song
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