linux-kernel - [PATCH v2 4/4] LoongArch: BPF: Update the code to rename validate_code to validate

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Message-Id: <20250618105048.1510560-5-duanchenghao@kylinos.cn>
Date: Wed, 18 Jun 2025 18:50:48 +0800
From: Chenghao Duan <duanchenghao@...inos.cn>
To: ast@...nel.org,
	daniel@...earbox.net,
	andrii@...nel.org,
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Subject: [PATCH v2 4/4] 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.

Co-developed-by: George Guo <guodongtai@...inos.cn>
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 348ea3bfb..fa187f727 100644
--- a/arch/loongarch/net/bpf_jit.c
+++ b/arch/loongarch/net/bpf_jit.c
@@ -1185,6 +1185,14 @@ 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;
 
@@ -1293,7 +1301,7 @@ skip_init_ctx:
 	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;
-- 
2.43.0