linux-kernel - [PATCH] include: linux: Fix flex array member not at the end in bpf_empty_prog

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Message-ID: <20240930181700.22839-1-philipp.g.hortmann@gmail.com>
Date: Mon, 30 Sep 2024 20:16:53 +0200
From: Philipp Hortmann <philipp.g.hortmann@...il.com>
To: "Gustavo A . R . Silva" <gustavo@...eddedor.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Christian Brauner <brauner@...nel.org>,
	Jakub Kicinski <kuba@...nel.org>,
	linux-kernel@...r.kernel.org
Cc: Philipp Hortmann <philipp.g.hortmann@...il.com>
Subject: [PATCH] include: linux: Fix flex array member not at the end in bpf_empty_prog_array

Struct bpf_prog_array has a flex array member at the end and needs
therefore to be last in struct bpf_empty_prog_array.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@...il.com>
---
 include/linux/bpf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 19d8ca8ac960..1ce319045048 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -2018,8 +2018,8 @@ struct bpf_prog_array {
 };
 
 struct bpf_empty_prog_array {
-	struct bpf_prog_array hdr;
 	struct bpf_prog *null_prog;
+	struct bpf_prog_array hdr;
 };
 
 /* to avoid allocating empty bpf_prog_array for cgroups that
-- 
2.43.0