CHECK: spaces preferred around that '%' (ctx:WxV)
#35: FILE: tools/bpf/bpftool/gen.c:734:
+			skel = (struct %1$s *)skel_alloc(sizeof(*skel));    \n\
 			               ^

total: 0 errors, 0 warnings, 1 checks, 12 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 d4f390f2c3b0 ("bpftool: Make skeleton C++ compatible with explicit casts") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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.
total: 0 errors, 0 warnings, 1 checks, 12 lines checked