CHECK: Comparison to NULL could be written "!elem"
#105: FILE: kernel/bpf/hashtab.c:3273:
+	prog = bpf_iter_get_info(&meta, elem == NULL);

total: 0 errors, 0 warnings, 1 checks, 136 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 bd921d39d16f ("bpf: Implement iterator APIs for resizable hashtab") 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, 136 lines checked