WARNING: line length of 95 exceeds 80 columns
#37: FILE: include/linux/ftrace.h:415:
+						       unsigned long ip, unsigned long direct);

WARNING: line length of 94 exceeds 80 columns
#61: FILE: kernel/trace/ftrace.c:1214:
+add_ftrace_hash_entry_direct(struct ftrace_hash *hash, unsigned long ip, unsigned long direct)

WARNING: line length of 101 exceeds 80 columns
#97: FILE: kernel/trace/ftrace.c:1407:
+			if (add_ftrace_hash_entry_direct(new_hash, entry->ip, entry->direct) == NULL)

CHECK: Comparison to NULL could be written "!add_ftrace_hash_entry_direct"
#97: FILE: kernel/trace/ftrace.c:1407:
+			if (add_ftrace_hash_entry_direct(new_hash, entry->ip, entry->direct) == NULL)

total: 0 errors, 3 warnings, 1 checks, 70 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 4c9675491fc1 ("ftrace: Export some of hash related functions") 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, 3 warnings, 1 checks, 70 lines checked