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bpf: Fix comment for helper bpf_current_task_under_cgroup()

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commit 1aef5b4391f0c75c0a1523706a7b0311846ee12f upstream.

This should be "current" not "skb".

Fixes: c6b5fb8690 ("bpf: add documentation for eBPF helpers (42-50)")
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/bpf/20200910203314.70018-1-songliubraving@fb.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Song Liu 2020-09-10 13:33:14 -07:00 committed by Greg Kroah-Hartman
parent 6ef8232790
commit 277d0de875
2 changed files with 4 additions and 4 deletions
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4
include/uapi/linux/bpf.h
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@ -1193,8 +1193,8 @@ union bpf_attr {
* Return * Return
* The return value depends on the result of the test, and can be: * The return value depends on the result of the test, and can be:
* *
* * 0, if the *skb* task belongs to the cgroup2. * * 0, if current task belongs to the cgroup2.
* * 1, if the *skb* task does not belong to the cgroup2. * * 1, if current task does not belong to the cgroup2.
* * A negative error code, if an error occurred. * * A negative error code, if an error occurred.
* *
* int bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags) * int bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags)

4
tools/include/uapi/linux/bpf.h
View file

@ -1191,8 +1191,8 @@ union bpf_attr {
* Return * Return
* The return value depends on the result of the test, and can be: * The return value depends on the result of the test, and can be:
* *
* * 0, if the *skb* task belongs to the cgroup2. * * 0, if current task belongs to the cgroup2.
* * 1, if the *skb* task does not belong to the cgroup2. * * 1, if current task does not belong to the cgroup2.
* * A negative error code, if an error occurred. * * A negative error code, if an error occurred.
* *
* int bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags) * int bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags)