WARNING: line length of 83 exceeds 80 columns
#82: FILE: kernel/bpf/hashtab.c:3115:
+				  (u64)(long)rhtab_elem_value(elem, map->key_size),

WARNING: line length of 82 exceeds 80 columns
#170: FILE: kernel/bpf/hashtab.c:3202:
+		rhashtable_walk_enter_from(&rhtab->ht, &iter, buf, rhtab->params);

CHECK: Comparison to NULL could be written "!elem"
#308: FILE: kernel/bpf/hashtab.c:3336:
+	prog = bpf_iter_get_info(&meta, elem == NULL);

total: 0 errors, 2 warnings, 1 checks, 337 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 a1fc6a92da17 ("bpf: Implement batch ops and iterators 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, 2 warnings, 1 checks, 337 lines checked