WARNING: line length of 83 exceeds 80 columns
#41: FILE: net/ipv4/tcp_output.c:3622:
+		 * As AccECN uses the same SYN flags (+ AE), this check covers both

WARNING: line length of 84 exceeds 80 columns
#44: FILE: net/ipv4/tcp_output.c:3625:
+		if ((TCP_SKB_CB(skb)->tcp_flags & TCPHDR_SYN_ECN) == TCPHDR_SYN_ECN)

total: 0 errors, 2 warnings, 0 checks, 20 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 4bcf3aa79a6e ("tcp: accecn: retransmit downgraded SYN in AccECN negotiation") 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, 2 warnings, 0 checks, 20 lines checked