This is a note to let you know that I've just added the patch titled
bpf: Fix comment for helper bpf_current_task_under_cgroup()
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
bpf-fix-comment-for-helper-bpf_current_task_under_cgroup.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1aef5b4391f0c75c0a1523706a7b0311846ee12f Mon Sep 17 00:00:00 2001
From: Song Liu <songliubraving@xxxxxx>
Date: Thu, 10 Sep 2020 13:33:14 -0700
Subject: bpf: Fix comment for helper bpf_current_task_under_cgroup()
From: Song Liu <songliubraving@xxxxxx>
commit 1aef5b4391f0c75c0a1523706a7b0311846ee12f upstream.
This should be "current" not "skb".
Fixes: c6b5fb8690fa ("bpf: add documentation for eBPF helpers (42-50)")
Signed-off-by: Song Liu <songliubraving@xxxxxx>
Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/bpf/20200910203314.70018-1-songliubraving@xxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/uapi/linux/bpf.h | 4 ++--
tools/include/uapi/linux/bpf.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -1193,8 +1193,8 @@ union bpf_attr {
* Return
* The return value depends on the result of the test, and can be:
*
- * * 0, if the *skb* task belongs to the cgroup2.
- * * 1, if the *skb* task does not belong to the cgroup2.
+ * * 0, if current task belongs to the cgroup2.
+ * * 1, if current task does not belong to the cgroup2.
* * A negative error code, if an error occurred.
*
* int bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags)
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -1191,8 +1191,8 @@ union bpf_attr {
* Return
* The return value depends on the result of the test, and can be:
*
- * * 0, if the *skb* task belongs to the cgroup2.
- * * 1, if the *skb* task does not belong to the cgroup2.
+ * * 0, if current task belongs to the cgroup2.
+ * * 1, if current task does not belong to the cgroup2.
* * A negative error code, if an error occurred.
*
* int bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags)
Patches currently in stable-queue which might be from songliubraving@xxxxxx are
queue-4.19/bpf-fix-comment-for-helper-bpf_current_task_under_cgroup.patch
