The patch titled checkpatch: macros: fix statement counting block end detection has been added to the -mm tree. Its filename is checkpatch-macros-fix-statement-counting-block-end-detection.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: checkpatch: macros: fix statement counting block end detection From: Andy Whitcroft <apw@xxxxxxxxxxxx> We are incorrectly counting the lines in a block while accumulating the trailing lines in a macro statement, leading to false positives. Fix end of block handling and general counting for negative context lines. Signed-off-by: Andy Whitcroft <apw@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- scripts/checkpatch.pl | 23 +++++++++++------------ 1 file changed, 11 insertions(+), 12 deletions(-) diff -puN scripts/checkpatch.pl~checkpatch-macros-fix-statement-counting-block-end-detection scripts/checkpatch.pl --- a/scripts/checkpatch.pl~checkpatch-macros-fix-statement-counting-block-end-detection +++ a/scripts/checkpatch.pl @@ -470,7 +470,9 @@ sub ctx_statement_block { } $off++; } + # We are truly at the end, so shuffle to the next line. if ($off == $len) { + $loff = $len + 1; $line++; $remain--; } @@ -1793,30 +1795,26 @@ sub process { $lines[$ln - 1] =~ /^(?:-|..*\\$)/) { $ctx .= $rawlines[$ln - 1] . "\n"; + $cnt-- if ($lines[$ln - 1] !~ /^-/); $ln++; - $cnt--; } $ctx .= $rawlines[$ln - 1]; ($dstat, $dcond, $ln, $cnt, $off) = ctx_statement_block($linenr, $ln - $linenr + 1, 0); #print "dstat<$dstat> dcond<$dcond> cnt<$cnt> off<$off>\n"; - #print "LINE<$lines[$ln]> len<" . length($lines[$ln]) . "\n"; + #print "LINE<$lines[$ln-1]> len<" . length($lines[$ln-1]) . "\n"; # Extract the remainder of the define (if any) and # rip off surrounding spaces, and trailing \'s. $rest = ''; - if (defined $lines[$ln - 1] && - $off > length($lines[$ln - 1])) - { - $ln++; - $cnt--; - $off = 0; - } - while ($cnt > 0) { - $rest .= substr($lines[$ln - 1], $off) . "\n"; + while ($off != 0 || ($cnt > 0 && $rest =~ /(?:^|\\)\s*$/)) { + #print "ADDING $off <" . substr($lines[$ln - 1], $off) . ">\n"; + if ($off != 0 || $lines[$ln - 1] !~ /^-/) { + $rest .= substr($lines[$ln - 1], $off) . "\n"; + $cnt--; + } $ln++; - $cnt--; $off = 0; } $rest =~ s/\\\n.//g; @@ -1847,6 +1845,7 @@ sub process { DEFINE_PER_CPU| __typeof__\( }x; + #print "REST<$rest>\n"; if ($rest ne '') { if ($rest !~ /while\s*\(/ && $dstat !~ /$exceptions/) _ Patches currently in -mm which might be from apw@xxxxxxxxxxxx are mm-add-a-basic-debugging-framework-for-memory-initialisation.patch mm-add-a-basic-debugging-framework-for-memory-initialisation-fix.patch mm-verify-the-page-links-and-memory-model.patch mm-make-defensive-checks-around-pfn-values-registered-for-memory-usage.patch mm-print-out-the-zonelists-on-request-for-manual-verification.patch add-a-helper-function-to-test-if-an-object-is-on-the-stack.patch mm-move-bootmem-descriptors-definition-to-a-single-place.patch mm-fix-free_all_bootmem_core-alignment-check.patch mm-normalize-internal-argument-passing-of-bootmem-data.patch mm-unexport-__alloc_bootmem_core.patch buddy-clarify-comments-describing-buddy-merge.patch page-flags-record-page-flag-overlays-explicitly.patch page-flags-record-page-flag-overlays-explicitly-xen.patch slub-record-page-flag-overlays-explicitly.patch slob-record-page-flag-overlays-explicitly.patch hugetlb-move-hugetlb_acct_memory.patch hugetlb-reserve-huge-pages-for-reliable-map_private-hugetlbfs-mappings-until-fork.patch hugetlb-guarantee-that-cow-faults-for-a-process-that-called-mmapmap_private-on-hugetlbfs-will-succeed.patch hugetlb-guarantee-that-cow-faults-for-a-process-that-called-mmapmap_private-on-hugetlbfs-will-succeed-fix.patch hugetlb-guarantee-that-cow-faults-for-a-process-that-called-mmapmap_private-on-hugetlbfs-will-succeed-build-fix.patch huge-page-private-reservation-review-cleanups.patch huge-page-private-reservation-review-cleanups-fix.patch mm-record-map_noreserve-status-on-vmas-and-fix-small-page-mprotect-reservations.patch hugetlb-move-reservation-region-support-earlier.patch hugetlb-allow-huge-page-mappings-to-be-created-without-reservations.patch hugetlb-allow-huge-page-mappings-to-be-created-without-reservations-cleanups.patch checkpatch-version-020.patch checkpatch-return-is-not-a-function-parentheses-for-casts-are-ok-too.patch checkpatch-types-some-types-may-also-be-identifiers.patch checkpatch-add-a-checkpatch-warning-for-new-uses-of-__initcall.patch checkpatch-possible-types-__asm__-is-never-a-type.patch checkpatch-comment-detection-ignore-macro-continuation-when-detecting-associated-comments.patch checkpatch-types-unary-goto-introduces-unary-context.patch checkpatch-macros-fix-statement-counting-block-end-detection.patch checkpatch-trailing-statement-indent-fix-end-of-statement-location.patch checkpatch-allow-printk-strings-to-exceed-80-characters-to-maintain-their-searchability.patch checkpatch-switch-report-trailing-statements-on-case-and-default.patch checkpatch-check-spacing-for-square-brackets.patch checkpatch-toughen-trailing-if-statement-checks-and-extend-them-to-while-and-for.patch checkpatch-condition-loop-indent-checks.patch checkpatch-usb_free_urb-can-take-null.patch checkpatch-correct-spelling-in-kfree-checks.patch checkpatch-allow-for-type-modifiers-on-multiple-declarations.patch checkpatch-improve-type-matcher-debug.patch checkpatch-possible-modifiers-are-not-being-correctly-matched.patch checkpatch-macro-complexity-checks-are-meaningless-in-linker-scripts.patch checkpatch-handle-return-types-of-pointers-to-functions.patch checkpatch-possible-types-known-modifiers-cannot-be-types.patch checkpatch-possible-modifiers-handle-multiple-modifiers-and-trailing.patch x86-implement-pte_special.patch mm-introduce-get_user_pages_fast.patch mm-introduce-get_user_pages_fast-fix.patch mm-introduce-get_user_pages_fast-checkpatch-fixes.patch x86-lockless-get_user_pages_fast.patch x86-lockless-get_user_pages_fast-checkpatch-fixes.patch x86-lockless-get_user_pages_fast-fix.patch x86-lockless-get_user_pages_fast-fix-2.patch x86-lockless-get_user_pages_fast-fix-2-fix-fix.patch x86-lockless-get_user_pages_fast-fix-warning.patch dio-use-get_user_pages_fast.patch splice-use-get_user_pages_fast.patch page-owner-tracking-leak-detector.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html