WARNING: Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants
#146: FILE: net/ipv4/inet_timewait_sock.c:259:
+		BUG_ON(mod_timer(&tw->tw_timer, jiffies + timeo));

WARNING: line length of 85 exceeds 80 columns
#158: FILE: net/ipv4/inet_timewait_sock.c:307:
+				 * it, or else we postpone the process of destruction

total: 0 errors, 2 warnings, 0 checks, 24 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 1a67eda0f403 ("tcp: fix a race when purging the netns and allocating tw socket") 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, 24 lines checked