linux-kernel - [PATCH v1 5/5] LoongArch: BPF: Update the code to rename validate_code to validate

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Message-Id: <20250611053625.352091-6-duanchenghao@kylinos.cn>
Date: Wed, 11 Jun 2025 13:36:25 +0800
From: Chenghao Duan <duanchenghao@...inos.cn>
To: loongarch@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Cc: Chenghao Duan <duanchenghao@...inos.cn>,
	George Guo <guodongtai@...inos.cn>
Subject: [PATCH v1 5/5] LoongArch: BPF: Update the code to rename validate_code to validate_ctx.

Update the code to rename validate_code to validate_ctx.
validate_code is used to check the validity of code.
validate_ctx is used to check both code validity and table entry
correctness.

Signed-off-by: George Guo <guodongtai@...inos.cn>
Signed-off-by: Chenghao Duan <duanchenghao@...inos.cn>
---
 arch/loongarch/net/bpf_jit.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c
index cdcb73f93..ee38a9824 100644
--- a/arch/loongarch/net/bpf_jit.c
+++ b/arch/loongarch/net/bpf_jit.c
@@ -1177,6 +1177,14 @@ static int validate_code(struct jit_ctx *ctx)
 			return -1;
 	}
 
+	return 0;
+}
+
+static int validate_ctx(struct jit_ctx *ctx)
+{
+	if (validate_code(ctx))
+		return -1;
+
 	if (WARN_ON_ONCE(ctx->num_exentries != ctx->prog->aux->num_exentries))
 		return -1;
 
@@ -1285,7 +1293,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	build_epilogue(&ctx);
 
 	/* 3. Extra pass to validate JITed code */
-	if (validate_code(&ctx)) {
+	if (validate_ctx(&ctx)) {
 		bpf_jit_binary_free(header);
 		prog = orig_prog;
 		goto out_offset;
-- 
2.25.1