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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-12 20:50:02 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-12 20:50:02 -0800 |
commit | e34bac726d27056081d0250c0e173e4b155aa340 (patch) | |
tree | 85607d0b3b185380fb3267866020c6a4372b9298 /scripts/checkpatch.pl | |
parent | fe6bce8d30a86c693bf7cfbf4759cbafd121289f (diff) | |
parent | 39a0e975c37dee93fa1b8ea5f7eacd1c4c8a586e (diff) | |
download | op-kernel-dev-e34bac726d27056081d0250c0e173e4b155aa340.zip op-kernel-dev-e34bac726d27056081d0250c0e173e4b155aa340.tar.gz |
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton:
- various misc bits
- most of MM (quite a lot of MM material is awaiting the merge of
linux-next dependencies)
- kasan
- printk updates
- procfs updates
- MAINTAINERS
- /lib updates
- checkpatch updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (123 commits)
init: reduce rootwait polling interval time to 5ms
binfmt_elf: use vmalloc() for allocation of vma_filesz
checkpatch: don't emit unified-diff error for rename-only patches
checkpatch: don't check c99 types like uint8_t under tools
checkpatch: avoid multiple line dereferences
checkpatch: don't check .pl files, improve absolute path commit log test
scripts/checkpatch.pl: fix spelling
checkpatch: don't try to get maintained status when --no-tree is given
lib/ida: document locking requirements a bit better
lib/rbtree.c: fix typo in comment of ____rb_erase_color
lib/Kconfig.debug: make CONFIG_STRICT_DEVMEM depend on CONFIG_DEVMEM
MAINTAINERS: add drm and drm/i915 irc channels
MAINTAINERS: add "C:" for URI for chat where developers hang out
MAINTAINERS: add drm and drm/i915 bug filing info
MAINTAINERS: add "B:" for URI where to file bugs
get_maintainer: look for arbitrary letter prefixes in sections
printk: add Kconfig option to set default console loglevel
printk/sound: handle more message headers
printk/btrfs: handle more message headers
printk/kdb: handle more message headers
...
Diffstat (limited to 'scripts/checkpatch.pl')
-rwxr-xr-x | scripts/checkpatch.pl | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 23f462f6..ac5656e 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -761,7 +761,7 @@ sub seed_camelcase_file { sub is_maintained_obsolete { my ($filename) = @_; - return 0 if (!(-e "$root/scripts/get_maintainer.pl")); + return 0 if (!$tree || !(-e "$root/scripts/get_maintainer.pl")); my $status = `perl $root/scripts/get_maintainer.pl --status --nom --nol --nogit --nogit-fallback -f $filename 2>&1`; @@ -2589,6 +2589,7 @@ sub process { $line =~ /^rename (?:from|to) [\w\/\.\-]+\s*$/ || ($line =~ /\{\s*([\w\/\.\-]*)\s*\=\>\s*([\w\/\.\-]*)\s*\}/ && (defined($1) || defined($2))))) { + $is_patch = 1; $reported_maintainer_file = 1; WARN("FILE_PATH_CHANGES", "added, moved or deleted file(s), does MAINTAINERS need updating?\n" . $herecurr); @@ -2601,20 +2602,6 @@ sub process { $herecurr) if (!$emitted_corrupt++); } -# Check for absolute kernel paths. - if ($tree) { - while ($line =~ m{(?:^|\s)(/\S*)}g) { - my $file = $1; - - if ($file =~ m{^(.*?)(?::\d+)+:?$} && - check_absolute_file($1, $herecurr)) { - # - } else { - check_absolute_file($file, $herecurr); - } - } - } - # UTF-8 regex found at http://www.w3.org/International/questions/qa-forms-utf-8.en.php if (($realfile =~ /^$/ || $line =~ /^\+/) && $rawline !~ m/^$UTF8*$/) { @@ -2652,6 +2639,20 @@ sub process { "8-bit UTF-8 used in possible commit log\n" . $herecurr); } +# Check for absolute kernel paths in commit message + if ($tree && $in_commit_log) { + while ($line =~ m{(?:^|\s)(/\S*)}g) { + my $file = $1; + + if ($file =~ m{^(.*?)(?::\d+)+:?$} && + check_absolute_file($1, $herecurr)) { + # + } else { + check_absolute_file($file, $herecurr); + } + } + } + # Check for various typo / spelling mistakes if (defined($misspellings) && ($in_commit_log || $line =~ /^(?:\+|Subject:)/i)) { @@ -2805,7 +2806,7 @@ sub process { } # check we are in a valid source file if not then ignore this hunk - next if ($realfile !~ /\.(h|c|s|S|pl|sh|dtsi|dts)$/); + next if ($realfile !~ /\.(h|c|s|S|sh|dtsi|dts)$/); # line length limit (with some exclusions) # @@ -3440,6 +3441,18 @@ sub process { #ignore lines not being added next if ($line =~ /^[^\+]/); +# check for dereferences that span multiple lines + if ($prevline =~ /^\+.*$Lval\s*(?:\.|->)\s*$/ && + $line =~ /^\+\s*(?!\#\s*(?!define\s+|if))\s*$Lval/) { + $prevline =~ /($Lval\s*(?:\.|->))\s*$/; + my $ref = $1; + $line =~ /^.\s*($Lval)/; + $ref .= $1; + $ref =~ s/\s//g; + WARN("MULTILINE_DEREFERENCE", + "Avoid multiple line dereference - prefer '$ref'\n" . $hereprev); + } + # check for declarations of signed or unsigned without int while ($line =~ m{\b($Declare)\s*(?!char\b|short\b|int\b|long\b)\s*($Ident)?\s*[=,;\[\)\(]}g) { my $type = $1; @@ -5548,8 +5561,9 @@ sub process { "Using weak declarations can have unintended link defects\n" . $herecurr); } -# check for c99 types like uint8_t used outside of uapi/ +# check for c99 types like uint8_t used outside of uapi/ and tools/ if ($realfile !~ m@\binclude/uapi/@ && + $realfile !~ m@\btools/@ && $line =~ /\b($Declare)\s*$Ident\s*[=;,\[]/) { my $type = $1; if ($type =~ /\b($typeC99Typedefs)\b/) { @@ -5925,7 +5939,7 @@ sub process { } if (!$has_break && $has_statement) { WARN("MISSING_BREAK", - "Possible switch case/default not preceeded by break or fallthrough comment\n" . $herecurr); + "Possible switch case/default not preceded by break or fallthrough comment\n" . $herecurr); } } |