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Commit dd2f800e authored by Song Liu's avatar Song Liu Committed by Greg Kroah-Hartman
Browse files

bpf: Fix comment for helper bpf_current_task_under_cgroup() 



commit 1aef5b4391f0c75c0a1523706a7b0311846ee12f upstream.

This should be "current" not "skb".

Fixes: c6b5fb86 ("bpf: add documentation for eBPF helpers (42-50)")
Signed-off-by: default avatarSong Liu <songliubraving@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/bpf/20200910203314.70018-1-songliubraving@fb.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 860448e7

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 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)

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 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)