bpf: Sync comments for bpf_get_stack

Commit ee2a098 missed updating the comments for helper bpf_get_stack in tools/include/uapi/linux/bpf.h. Sync it. Fixes: ee2a098 ("bpf: Adjust BPF stack helper functions to accommodate skip > 0") Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Martin KaFai Lau <[email protected]> Link: https://lore.kernel.org/bpf/ce54617746b7ed5e9ba3b844e55e74cb8a60e0b5.1648110794.git.geliang.tang@suse.com
fracktal · Mar 29, 2022 · 9887060 · 9887060
1 parent 76db178
commit 9887060
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
@@ -3009,8 +3009,8 @@ union bpf_attr {
  *
  * 			# sysctl kernel.perf_event_max_stack=<new value>
  * 	Return
- * 		A non-negative value equal to or less than *size* on success,
- * 		or a negative error in case of failure.
+ * 		The non-negative copied *buf* length equal to or less than
+ * 		*size* on success, or a negative error in case of failure.
  *
  * long bpf_skb_load_bytes_relative(const void *skb, u32 offset, void *to, u32 len, u32 start_header)
  * 	Description
@@ -4316,8 +4316,8 @@ union bpf_attr {
  *
  *			# sysctl kernel.perf_event_max_stack=<new value>
  *	Return
- *		A non-negative value equal to or less than *size* on success,
- *		or a negative error in case of failure.
+ * 		The non-negative copied *buf* length equal to or less than
+ * 		*size* on success, or a negative error in case of failure.
  *
  * long bpf_load_hdr_opt(struct bpf_sock_ops *skops, void *searchby_res, u32 len, u64 flags)
  *	Description