WARNING: Single statement macros should not use a do {} while (0) loop
#106: FILE: include/linux/local_lock_internal.h:167:
+#define __local_unlock_nested_bh(lock)				\
+do {								\
+	spin_unlock(this_cpu_ptr((lock)));			\
+} while (0)

CHECK: extern prototypes should be avoided in .h files
#120: FILE: include/linux/lockdep.h:608:
+extern void lockdep_assert_in_softirq_func(void);

total: 0 errors, 1 warnings, 1 checks, 87 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 efecafef7710 ("locking/local_lock: Add local nested BH locking infrastructure.") 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, 1 checks, 87 lines checked