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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


  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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