WARNING: line length of 82 exceeds 80 columns
#56: FILE: net/l2tp/l2tp_core.c:857:
+			alt_tunnel = l2tp_tunnel_get(tunnel->l2tp_net, tunnel_id);

WARNING: line length of 81 exceeds 80 columns
#57: FILE: net/l2tp/l2tp_core.c:858:
+			if (!alt_tunnel || alt_tunnel->version != L2TP_HDR_VER_2)

total: 0 errors, 2 warnings, 0 checks, 45 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 39cb69fb3122 ("l2tp: Support several sockets with same IP/port quadruple") 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, 45 lines checked