CHECK: Lines should not end with a '('
#50: FILE: include/linux/rhashtable.h:614:
+static __always_inline struct rhash_head *__rhashtable_lookup_one(

CHECK: Lines should not end with a '('
#77: FILE: include/linux/rhashtable.h:648:
+static __always_inline struct rhash_head *__rhashtable_lookup(

WARNING: line length of 85 exceeds 80 columns
#220: FILE: lib/test_rhashtable.c:740:
+	/* Test 2: walk_enter_from with non-existent key starts from the beginning */

WARNING: line length of 87 exceeds 80 columns
#243: FILE: lib/test_rhashtable.c:763:
+	/* Test 3: verify walk_enter_from + walk_next can iterate remaining elements */

WARNING: line length of 86 exceeds 80 columns
#249: FILE: lib/test_rhashtable.c:769:
+			rhashtable_walk_enter_from(&ht, &iter, &key, test_rht_params);

WARNING: line length of 97 exceeds 80 columns
#262: FILE: lib/test_rhashtable.c:782:
+			pr_warn("walk_enter_from: walked %d elements instead of max 4\n", count);

total: 0 errors, 4 warnings, 2 checks, 255 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 3bdbdb18333a ("rhashtable: Add rhashtable_walk_enter_from()") 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, 4 warnings, 2 checks, 255 lines checked