linux-kernel - [PATCH] bpf: Fix the comment for bpf_restore_data

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Message-ID: <20231005072137.29870-1-akihiko.odaki@daynix.com>
Date:   Thu,  5 Oct 2023 16:21:36 +0900
From:   Akihiko Odaki <akihiko.odaki@...nix.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>,
        Yonghong Song <yonghong.song@...ux.dev>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
        Akihiko Odaki <akihiko.odaki@...nix.com>
Subject: [PATCH] bpf: Fix the comment for bpf_restore_data_end()

The comment used to say:
> Restore data saved by bpf_compute_data_pointers().

But bpf_compute_data_pointers() does not save the data;
bpf_compute_and_save_data_end() does.

Signed-off-by: Akihiko Odaki <akihiko.odaki@...nix.com>
---
 include/linux/filter.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/filter.h b/include/linux/filter.h
index 761af6b3cf2b..bf7ad887943c 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -694,7 +694,7 @@ static inline void bpf_compute_and_save_data_end(
 	cb->data_end  = skb->data + skb_headlen(skb);
 }
 
-/* Restore data saved by bpf_compute_data_pointers(). */
+/* Restore data saved by bpf_compute_and_save_data_end(). */
 static inline void bpf_restore_data_end(
 	struct sk_buff *skb, void *saved_data_end)
 {
-- 
2.42.0