ERROR: space prohibited before that ':' (ctx:WxV)
#53: FILE: tools/lib/bpf/bpf.h:710:
+	size_t :0;
 	       ^

CHECK: Please use a blank line after function/struct/union/enum declarations
#55: FILE: tools/lib/bpf/bpf.h:712:
+};
+#define bpf_static_key_update_opts__last_field on

total: 1 errors, 0 warnings, 1 checks, 50 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 949f37104f79 ("libbpf: Add bpf_static_key_update() API") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.