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

WARNING: line length of 111 exceeds 80 columns
#83: FILE: tools/bpf/bpftool/gen.c:758:
+				skel->%1$s = (__typeof__(skel->%1$s))skel_prep_map_data((void *)data, %2$zd,\n\

WARNING: line length of 118 exceeds 80 columns
#92: FILE: tools/bpf/bpftool/gen.c:860:
+			skel->%1$s = (__typeof__(skel->%1$s))skel_finalize_map_data(&skel->maps.%1$s.initial_value,\n\

total: 0 errors, 2 warnings, 1 checks, 28 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 431cfa28c740 ("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, 2 warnings, 1 checks, 28 lines checked