linux-kernel - [PATCH] Documentation/x86/boot.rst: Correct the example of SETUP

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Message-Id: <20210127084911.63438-1-jojing64@gmail.com>
Date:   Wed, 27 Jan 2021 16:49:11 +0800
From:   Cao jin <jojing64@...il.com>
To:     x86@...nel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org
Cc:     tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        corbet@....net, daniel.kiper@...cle.com,
        Cao jin <jojing64@...il.com>
Subject: [PATCH] Documentation/x86/boot.rst: Correct the example of SETUP_INDIRECT

struct setup_data.len is the length of data field. In case of
SETUP_INDIRECT, it should be sizeof(setup_indirect).

Signed-off-by: Cao jin <jojing64@...il.com>
---
 Documentation/x86/boot.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/x86/boot.rst b/Documentation/x86/boot.rst
index abb9fc164657..fc844913dece 100644
--- a/Documentation/x86/boot.rst
+++ b/Documentation/x86/boot.rst
@@ -851,7 +851,7 @@ Protocol:	2.09+
     struct setup_data {
       __u64 next = 0 or <addr_of_next_setup_data_struct>;
       __u32 type = SETUP_INDIRECT;
-      __u32 len = sizeof(setup_data);
+      __u32 len = sizeof(setup_indirect);
       __u8 data[sizeof(setup_indirect)] = struct setup_indirect {
         __u32 type = SETUP_INDIRECT | SETUP_E820_EXT;
         __u32 reserved = 0;
-- 
2.29.2