WARNING: line length of 84 exceeds 80 columns
#41: FILE: net/ipv4/tcp.c:493:
+				shinfo->tskey = TCP_SKB_CB(skb)->seq + skb->len - 1;

total: 0 errors, 1 warnings, 0 checks, 33 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 ac19488b08d6 ("net_tstamp: add SCM_TS_OPT_ID for TCP sockets") 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, 33 lines checked