bpf: Fix definition of bpf_ringbuf_output() helper in UAPI comments

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: 457f44363a ("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
This commit is contained in:
Andrii Nakryiko 2020-06-15 14:49:26 -07:00 committed by Daniel Borkmann
parent c92cbaea3c
commit b0659d8a95
2 changed files with 2 additions and 2 deletions

View File

@ -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

View File

@ -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