WARNING: line length of 81 exceeds 80 columns
#26: FILE: kernel/bpf/hashtab.c:131:
+static void check_and_free_fields(struct bpf_htab *htab, struct htab_elem *elem);

total: 0 errors, 1 warnings, 0 checks, 57 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 13589410e17f ("bpf: Implement bpf mem allocator dtor for hash map") 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.
total: 0 errors, 1 warnings, 0 checks, 57 lines checked