Commit e1613b57 authored Jul 27, 2020 by Andrii Nakryiko Committed by Daniel Borkmann Jul 28, 2020

bpf: Fix bpf_ringbuf_output() signature to return long



Due to bpf tree fix merge, bpf_ringbuf_output() signature ended up with int as
a return type, while all other helpers got converted to returning long. So fix
it in bpf-next now.

Fixes: b0659d8a ("bpf: Fix definition of bpf_ringbuf_output() helper in UAPI comments")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20200727224715.652037-1-andriin@fb.com

parent 9a97c9d2

include/uapi/linux/bpf.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -3241,7 +3241,7 @@ union bpf_attr {
		* Return
		* The id is returned or 0 in case the id could not be retrieved.
		*
		* int bpf_ringbuf_output(void ringbuf, void data, u64 size, u64 flags)
		* long 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

tools/include/uapi/linux/bpf.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -3241,7 +3241,7 @@ union bpf_attr {
		* Return
		* The id is returned or 0 in case the id could not be retrieved.
		*
		* int bpf_ringbuf_output(void ringbuf, void data, u64 size, u64 flags)
		* long 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