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authorAndrii Nakryiko <andriin@fb.com>2020-06-16 00:49:26 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2020-06-16 03:17:01 +0300
commitb0659d8a950d424e57cc0a67afc4740ee561224e (patch)
tree4dafe37ddf58376bf811b9bfc16348af993c59bb /tools/include
parentc92cbaea3cc0a80807e386922f801eb6d3652c81 (diff)
downloadlinux-b0659d8a950d424e57cc0a67afc4740ee561224e.tar.xz
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: 457f44363a88 ("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
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/uapi/linux/bpf.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 19684813faae..974a71342aea 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -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