==========
checkpatch - FAILED

ERROR: spaces required around that '=' (ctx:VxV)
#84: FILE: include/uapi/linux/sysctl.h:576:
+	NET_IPV6_DO_FORWARDING=29,
 	                      ^

WARNING: line length of 90 exceeds 80 columns
#113: FILE: net/ipv6/addrconf.c:863:
+			 * With the introduction of do_forwarding, we need to be backwards

WARNING: line length of 90 exceeds 80 columns
#114: FILE: net/ipv6/addrconf.c:864:
+			 * compatible, so that means we need to set the do_forwarding flag

WARNING: line length of 95 exceeds 80 columns
#115: FILE: net/ipv6/addrconf.c:865:
+			 * on every interface to 0 if net.ipv6.conf.all.forwarding is set to 0.

WARNING: line length of 91 exceeds 80 columns
#116: FILE: net/ipv6/addrconf.c:866:
+			 * This allows the global forwarding flag to disable forwarding for

total: 1 errors, 4 warnings, 0 checks, 92 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 70ed6e4d156e ("ipv6: add `do_forwarding` sysctl to enable per-interface forwarding") 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.