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bpf: Fix comment for helper bpf_current_task_under_cgroup()

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Fix the descriptions of the return values of helper bpf_current_task_under_cgroup().

Fixes: c6b5fb8690 ("bpf: add documentation for eBPF helpers (42-50)")
Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20220310155335.1278783-1-hengqi.chen@gmail.com
This commit is contained in:
Hengqi Chen
2022-03-10 23:53:35 +08:00
committed by Daniel Borkmann
parent 60695896e4
commit 5861701440
2 changed files with 4 additions and 4 deletions
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4
include/uapi/linux/bpf.h
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@@ -2302,8 +2302,8 @@ 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 current task belongs to the cgroup2. * * 1, if current task belongs to the cgroup2.
* * 1, if current task does not belong to the cgroup2. * * 0, 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.
* *
* long bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags) * long bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags)

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

@@ -2302,8 +2302,8 @@ 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 current task belongs to the cgroup2. * * 1, if current task belongs to the cgroup2.
* * 1, if current task does not belong to the cgroup2. * * 0, 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.
* *
* long bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags) * long bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags)