WARNING: line length of 82 exceeds 80 columns
#217: FILE: net/ipv6/tcp_ipv6.c:1287:
+			&key, ipv6_get_dsfield(ipv6_hdr(skb)) & ~INET_ECN_MASK, 0,

total: 0 errors, 1 warnings, 0 checks, 182 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 3a577f60b0eb ("tcp: allow ECN bits in TOS/traffic class") 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, 182 lines checked