WARNING: line length of 81 exceeds 80 columns
#70: FILE: net/core/dev.c:1280:
+struct net_device *dev_get_by_flags_rcu(struct net *net, unsigned short if_flags,

CHECK: Please use a blank line after function/struct/union/enum declarations
#94: FILE: net/core/dev.c:1294:
 }
+EXPORT_IPV6_MOD(dev_get_by_flags_rcu);

total: 0 errors, 1 warnings, 1 checks, 138 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 245feb542ac5 ("ipv6: anycast: Don't hold RTNL for IPV6_JOIN_ANYCAST.") 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, 138 lines checked