CHECK: spaces preferred around that '<<' (ctx:VxV)
#29: FILE: include/net/tcp.h:1015:
+#define TCPCB_DELIVERED_CE_MASK ((1U<<20) - 1)
                                     ^

total: 0 errors, 0 warnings, 1 checks, 170 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 b01679c5cf9e ("tcp: drop tcp_v{4,6}_restore_cb") 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, 0 warnings, 1 checks, 170 lines checked