WARNING: 'beter' may be misspelled - perhaps 'better'?
#15: 
Using net_hash_mix() at the beginning allows beter register allocation.
                                             ^^^^^

CHECK: multiple assignments should be avoided
#56: FILE: net/ipv6/inet6_hashtables.c:51:
+	a = b = c = tcp_ipv6_hash_secret;

total: 0 errors, 1 warnings, 1 checks, 48 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 a66e11011fdb ("tcp: improve inet6_ehashfn() entropy") 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, 1 warnings, 1 checks, 48 lines checked