CHECK: extern prototypes should be avoided in .h files
#64: FILE: include/linux/refcount.h:362:
+extern __must_check bool refcount_dec_and_lock_sock(refcount_t *r,

total: 0 errors, 0 warnings, 1 checks, 74 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 aa336a4c2daf ("kref/refcount: implement kref_put_sock()") 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, 0 warnings, 1 checks, 74 lines checked