WARNING: line length of 98 exceeds 80 columns
#35: FILE: net/ipv6/addrconf.c:3218:
+	/* in case of IP6GRE the dev_addr is an IPv6 and therefore we use only the last 4 bytes */

total: 0 errors, 1 warnings, 0 checks, 32 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 594f4ed09c55 ("Revert "gre: Fix IPv6 link-local address generation."") 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, 0 checks, 32 lines checked