bpf: Fix definition of bpf_ringbuf_output() helper in UAPI comments (b0659d8a) · Commits · 戴 / test

Fix definition of bpf_ringbuf_output() in UAPI header comments, which is used to generate libbpf's bpf_helper_defs.h header. Return value is a number (error code), not a pointer. Fixes: ("bpf: Implement BPF ring buffer and verifier support for it") Signed-off-by:

Andrii Nakryiko <andriin@fb.com> Signed-off-by:

Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200615214926.3638836-1-andriin@fb.com

include/uapi/linux/bpf.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -3168,7 +3168,7 @@ union bpf_attr {
		* Return
		* The id is returned or 0 in case the id could not be retrieved.
		*
		* void bpf_ringbuf_output(void ringbuf, void *data, u64 size, u64 flags)
		* int bpf_ringbuf_output(void ringbuf, void data, u64 size, u64 flags)
		* Description
		* Copy size bytes from data into a ring buffer ringbuf.
		* If BPF_RB_NO_WAKEUP is specified in flags, no notification of

tools/include/uapi/linux/bpf.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -3168,7 +3168,7 @@ union bpf_attr {
		* Return
		* The id is returned or 0 in case the id could not be retrieved.
		*
		* void bpf_ringbuf_output(void ringbuf, void *data, u64 size, u64 flags)
		* int bpf_ringbuf_output(void ringbuf, void data, u64 size, u64 flags)
		* Description
		* Copy size bytes from data into a ring buffer ringbuf.
		* If BPF_RB_NO_WAKEUP is specified in flags, no notification of

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