ERROR: code indent should use tabs where possible #30: FILE: net/ipv4/tcp.c:505: +^I skb = skb_rb_last(&sk->tcp_rtx_queue);$ total: 1 errors, 0 warnings, 0 checks, 9 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. NOTE: Whitespace errors detected. You may wish to use scripts/cleanpatch or scripts/cleanfile Commit d5b9abecd093 ("tcp: tcp_tx_timestamp() must look at the rtx queue") has style problems, please review. NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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.