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Commit 7d418a0a authored Mar 10, 2022 by Hengqi Chen Committed by Greg Kroah-Hartman Apr 15, 2022

bpf: Fix comment for helper bpf_current_task_under_cgroup()

commit 58617014405ad5c9f94f464444f4972dabb71ca7 upstream.

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

Fixes: c6b5fb86 ("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

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent a075e956

include/uapi/linux/bpf.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -1294,8 +1294,8 @@ union bpf_attr {
		* Return
		* 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 does not belong to the cgroup2.
		* * 1, if current task belongs to the cgroup2.
		* * 0, 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)

tools/include/uapi/linux/bpf.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -1294,8 +1294,8 @@ union bpf_attr {
		* Return
		* 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 does not belong to the cgroup2.
		* * 1, if current task belongs to the cgroup2.
		* * 0, 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)