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This version brings a few fixes for the extern checks, and a couple of
new checks.
Of note:
- false is now recognised as a 0 assignment in static/external
assignments,
- printf format strings including %L are reported,
- a number of fixes for the extern in .c file detector which had
temporarily lost its ability to detect variables; undetected due to
the loss of its test.
Andy Whitcroft (8):
Version: 0.18
false should trip 0 assignment checks
tests: reinstate missing tests
tests: allow specification of the file extension for a test
fix extern checks for variables
check for and report %Lu, %Ld, and %Li
ensure we only start a statement on lines with some content
extern spacing
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings improvements to external declaration detection, fixes to
quote tracking, fixes to unary tracking, some clarification of wording, and
the usual slew of fixes for false positives.
Of note:
- much better unary tracking across preprocessor directives
- UTF8 checks highlight the character at fault
- widening of mutex detection
Andy Whitcroft (17):
Version: 0.17
values: __attribute__ carries through the previous type
quotes: should only follow "positive" lines
clarify the indent tabs over spaces wording
loosen NR_CPUS check for array range initialisers
detect external function declarations without an extern prefix
function declaration arguments should be with the identifier
DEFINE_MUTEX should report in line with struct mutex
NR_CPUS is valid in preprocessor statements
comment detection should not start on the @@ line
types: add support for #undef
tighten mutex/completion reports to usage
allow export of function pointers
values: preprocessor #define is out of line maintain values
values: #define does not always have parentheses
unary '*' may be const
utf8 checks should report location of the invalid character
Wolfram Sang (1):
make checkpatch.pl really skip <asm/irq.h>
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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usb_free_urb() can take a NULL, so let's check and warn about that.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This version brings proper quote tracking across lines, and brings the
handling of comments into the same mechanism ensuring nesting is correctly
handled. It brings the usual flurry of fixes for false positives. It also
brings a number of new checks. The most contentious change will likely be
the checks for NR_CPUS as this throws some new warnings in kernel/sched.c.
Of note:
- all new quote tracking across lines
- all new comment tracking
- new more direct, less ambigious wording for some warnings
- recommends mutexes and completions over semaphores
- recommends strict_strto* over simple_strto*
- report on direct use of NR_CPUS
Andy Whitcroft (22):
Version: 0.16
string quote tracking should cross line boundaries
check spacing round -> correctly across newlines
checks for linux/ against asm/ include files should be warnings
standardise on 'required' and 'prohibited'
take the first end of condition when parsing statements
values: cope with unbalanced brackets
preprocessor #elif is not a function
preprocessor #if should not trigger trailing statement checks
test: allow us to limit output to a single error
recommend real mutexes over semaphores
asm checks should mirror those for __asm__
warn on semaphores being used in place of completions
trailing ; on control structure should ignore do {} while ();
recommend strict_strtoX over simple_strtoX
redo comment handling as a quote type
use of NR_CPUS is normally wrong
consistant spacing should only be about spaces
if brace check suppression should only apply to the top-levels
use tr/// to align spacing for operators
move to using four parameter form of substr
check and report modifications to include/asm
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a number of minor fixes updating the type detector and
the unary tracker. It also brings a few small fixes for false positives.
It also reverts the --file warning. Of note:
- limit CVS checks to added lines
- improved type detections
- fixes to the unary tracker
Andy Whitcroft (13):
Version: 0.15
EXPORT_SYMBOL checks need to accept array variables
export checks must match DECLARE_foo and LIST_HEAD
possible types: cleanup debugging missing line
values: track values through preprocessor conditional paths
typeof is actually a type
possible types: detect definitions which cross lines
values: include line numbers on value debug information
values: ensure we find correctly record pending brackets
values: simplify the brace history stack
CVS keyword checks should only apply to added lines
loosen spacing for comments
allow braces for single statement blocks with multiline conditionals
Harvey Harrison (1):
checkpatch: remove fastcall
Ingo Molnar (1):
checkpatch.pl: revert wrong --file message
Uwe Kleine-Koenig (1):
fix typo "goot" -> "good"
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Joel Schopp <jschopp@austin.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings the remainder of the queued fixes. A number of fixes
for items missed reported by Andrew Morton and others. Also a handful
of new checks and fixes for false positives. Of note:
- new warning associated with --file to try and avoid cleanup only patches,
- corrected handling of completly empty files,
- corrected report handling with multiple files,
- handling of possible types in the face of multiple declarations,
- detection of unnessary braces on complex if statements (where present), and
- all new comment spacing handling.
Andi Kleen (1):
Introduce a warning when --file mode is used
Andy Whitcroft (14):
Version: 0.14
clean up some space violations in checkpatch.pl
a completly empty file should not provoke a whinge
reset report lines buffers between files
unary ++/-- may abutt close braces
__typeof__ is also unary
comments: revamp comment handling
add --summary-file option adding filename to summary line
trailing backslashes are not trailing statements
handle operators passed as parameters such as to ASSERTCMP
possible types -- enhance debugging
check for boolean operations with constants
possible types: handle multiple declarations
detect and report if statements where all branches are single statements
Arjan van de Ven (1):
quiet option should not print the summary on no errors
Bartlomiej Zolnierkiewicz (1):
warn about using __FUNCTION__
Timur Tabi (1):
loosen spacing checks for __asm__
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a large number of fixes which have built up over
the Christmas period. Mostly these are fixes for false positives, both
through improvments to unary checks and possible type detection. It
also brings new checks for while location and CVS keywords. Of note:
- a number of fixes to unary detection
- detection of a number of new forms of types to improve type matching
- better inline handling
- recognision of '%' as an operator
Andy Whitcroft (28):
Version: 0.13
unary detection: maintain bracket state across lines
move to pre-sanitising the entire file
the text of a #error statement should be treated like it is in quotes
line sanitisation needs to target double backslash correctly
tighten comment guestimation for lines starting ' * '
debug: add a debug framework
prevent unclosed single quotes from spreading
add % as an operator
the text of a #warning statement should be treated like it is in quotes
possible matching applies in typedefs
single statement block checks must not trigger when two or more statements
possible types: local variables may also be const
treat inline as a type attribute to even when out of place
possible types: sparse annotations are valid indicators
possible types: beef up the possible type testing
check for hanging while statements on the wrong line
utf8 checks need to occur against the raw lines
function brace checks should use any whitespece matches
comments should take up space in the line when sanitised
remove debugging from if assignment checks
possible types -- ensure we detect all pointer casts
fix tests for function spacing in the presence of #define
clean up the UTF-8 error message to be clearer
test-lib: invert the status report, output success counts
detect and report CVS keywords
tests: break out tests
Add $Id$ to the CVS keyword checks
Benny Halevy (1):
checkpatch.pl: recognize the #elif preprocessor directive
Geert Uytterhoeven (1):
print the filenames of patches where available
Mauro Carvalho Chehab (1):
Fix missing \n in checkpatch.pl
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a new terse output mode as well as many improvements to
the unary detection and bare type regcognition. It also brings the usual
updates for false positives, though these seem to be slowing markedly
now that the unary detector is no longer just putting its finger in the
air and guessing. Of note:
- new --terse mode producing a single line per report
- loosening of the block brace checks
- new checks for enum/union/struch brace placements
- hugely expanded "bare type" detection
- checks for inline usage
- better handling of already open comment blocks
- handle patches which introduce or remove lines without newlines
Andy Whitcroft (19):
Version: 0.12
style fixes as spotted by checkpatch
add a --terse options of a single line of output per report
block brace checks should only apply for single line blocks
all new bare type detector
check spacing for open braces with enum, union and struct
check for LINUX_VERSION_CODE
macros definition bracketing checks need to ignore -ve context
clean up the mail-back mode, -q et al
expand possible type matching to declarations
allow const and sparse annotations on possible types
handle possible types as regular types everywhere
prefer plain inline over __inline__ and __inline
all new open comment detection
fix up conditional extraction for if assignment checks
add const to the possible type matcher
unary checks: a for loop is a conditional too
possible types: detect function pointer definitions
handle missind newlines at end of file, report addition
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a more cautious checkpatch.pl by default. The more
subjective checks are only applied with the --strict option. It also
brings the usual slew of corrections for false positives. Of note:
- new tree detection, the source tree will be found via the executable
- a major revamp of the unary detection to make it more parser like
- a new summary at the bottom of the report
- --strict option for subjective checks
- --file to enable checking on complete files
- support for use in emacs "compile" window
Andy Whitcroft (27):
Version: 0.11
fix up cat_vet for the case where there are no control characters
any cast to a pointer introduces a type
cpp unary operator detection needs to float
attributes are also valid in type definitions
sizeof may be a bareword and makes its argument unary
unary checks for #ifdef et al need to find end of line
add new --file mode to handle raw source files
add --strict/--subjective which enables the subjective tests
add some additional standard type suffixes
cpp #elif is also a unary prefix
case is not a function name
widen asm volatile exceptions
__kprobes is a type attribute
typeof is a unary operator
function open parenthesis checks should check all occurances
expand sizeof() binary exceptions
linux/irq.h should not be recommended
work harder to find the kernel root and add --root=
fix --emacs mode line numbers and string concatenation warnings
add a summary to the bottom of the main report
loosen assignment in if checks
update operator spacing to maintain tabs in output
revamp unary detection
corruption/line wrapped patches need only reporting once
revamp s/u/be/le 8/16/32/64 bit types
handle missing ,1 in uni-diff header
Mike D. Day (2):
Adds support to checkpatch.pl for running in the emacs compile window.
checkpatch: Fix line number reporting
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a number of new checks, and a number of bug
fixes. Of note:
- better categorisation and space checks for dual use unary/binary
operators
- warn on deprecated use of {SPIN,RW}_LOCK_UNLOCKED
- check if/for/while with trailing ';' for hanging statements
- detect DOS line endings
- detect redundant casts for kalloc()
Andy Whitcroft (18):
Version: 0.10
asmlinkage is also a storage type
pull out inline specifiers
allow only some operators before a unary operator
parenthesised values may span line ends
add additional attribute matching
handle sparse annotations within pointer type space checks
support alternative function definition syntax for typedefs
check if/for/while with trailing ';' for hanging statements
fix output format for case checks
deprecate SPIN_LOCK_UNLOCKED and RW_LOCK_UNLOCKED
allow complex macros with bracketing braces
detect and report DOS line endings
fastcall is a valid function attribute
bracket spacing is ok for 'for'
categorise operators into unary/binary/definitions
add heuristic to pick up on unannotated types
remove spurious warnings from cat_vet
Dave Jones (1):
Make checkpatch warn about pointless casting of kalloc returns.
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a number of new checks, and a number of bug
fixes. Of note:
- checks for spacing on round and square bracket combinations
- loosening of the single statement brace checks, to allow
them when they contain comments or where other blocks in a
compound statement have them.
- parks the multple declaration support
- allows architecture defines in architecture specific headers
Andy Whitcroft (21):
Version: 0.09
loosen single statement brace checks
fix up multiple declaration to avoid function arguments
add some function space parenthesis check exceptions
handle EXPORT_'s with parentheses in their names
clean up some warnings in multi-line macro bracketing support
park the multiple declaration checks
make block brace checks count comments as a statement
__volatile__ and __extension__ are not functions
allow architecture specific defined within architecture includes
check spacing on square brackets
check spacing on parentheses
ensure we apply checks to the part before start comment
check #ifdef conditional spacing
handle __init_refok and __must_check
add noinline to inline checks
prevent email addresses from tripping spacing checks
handle typed initialiser spacing
handle line contination as end of line
add bool to the type matcher
refine EXPORT_SYMBOL checks to handle pointers
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a number of new checks, and a number of bug
fixes. Of note:
- warnings for multiple assignments per line
- warnings for multiple declarations per line
- checks for single statement blocks with braces
This patch includes an update for feature-removal-schedule.txt to
better target checks.
Andy Whitcroft (12):
Version: 0.08
only apply printk checks where there is a string literal
allow suppression of errors for when no patch is found
warn about multiple assignments
warn on declaration of multiple variables
check for kfree() with needless null check
check for single statement braced blocks
check for aggregate initialisation on the next line
handle the => operator
check for spaces between function name and open parenthesis
move to explicit Check: entries in feature-removal-schedule.txt
handle pointer attributes
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a number of new checks, fixes for flase
positives, plus a clarification of the output to better guide use. Of
note:
- checks for documentation for new __setup calls
- clearer reporting where braces and parenthesis are involved
- reports for closing brace and semi-colon spacing
- reports on unwanted externs
This patch includes an update to the documentation on checkpatch.pl
itself to clarify when it should be used and to indicate that it
is not intended as the final arbitor of style.
Full changelog:
Andy Whitcroft (19):
Version: 0.07
ensure we do not apply control brace checks to preprocesor directives
add {u,s}{8,16,32,64} to the type matcher
accept lack of spacing after the semicolons in for (;;)
report new externs in .c files
fix up typedef exclusion for function prototypes
else trailing statements check need to account for \ at end of line
add enums to the type matcher
add missing check descriptions
suppress double reporting of ** spacing
report on do{ spacing issues
include an example of the brace/parenthesis in output
check for spacing after closing braces
prevent double reports on pointer spacing issues
handle blank continuation lines on macros
classify all reports error, warning, or check
revamp hanging { checks and apply in context
no spaces after the last ; in a for is ok
check __setup has a corresponding addition to documentation
David Woodhouse (1):
limit character set used in patches and descriptions to UTF-8
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update to checkpatch.pl v0.06. Of note:
- do { and else handled correctly as control structures for { matching
- trailing whitespace correctly tripped when line otherwise empty
- support for const, including const foo * const bar
- multiline macros defining values correctly reported
This version of checkpatch.pl can be found at the following URL:
http://www.kernel.org/pub/linux/kernel/people/apw/checkpatch/checkpatch.pl-0.06
Full Changelog:
Andy Whitcroft (14):
Version: 0.06
cleanup the Type regular expression declarations
fix up block counting
end of line counts as a space for ++ and --
do { needs the same checks as if, for et al
handle "const foo * const a" as a valid type
add spacing checks following ;
complete whitespace lines should trip trailing whitespace check
else is also a block control structure
badly formatted else can trip function declaration
detect and report trailing statements after else
types need to be terminated by a boundary
multiline macros defining values should be surrounded by parentheses
soften the wording of the Signed-off-by: warnings
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a some new tests, and a host of changes to fix
false positives, of particular note:
- detect 'var ++;' and 'var --;' as a bad combination
- multistatement #defines are now checked based on statement count
- multistatement #defines with initialisation correctly reported
- checks the location of the inline keywords
- EXPORT_SYMBOL for variables are now understood
- typedefs are loosened to handle sparse etc
This version of checkpatch.pl can be found at the following URL:
http://www.shadowen.org/~apw/public/checkpatch/checkpatch.pl-0.05
Full Changelog:
Andy Whitcroft (18):
Version: 0.05
macro definition checks should be for a single statement
avoid assignements only in if conditionals
declarations of function pointers need no space
multiline macros which are purely initialisation cannot be wrapped
EXPORT_SYMBOL can also directly follow a variable definition
check on the location of the inline keyword
EXPORT_SYMBOL needs to allow for attributes
ensure we do not find C99 // in strings
handle malformed #include lines
accept the {0,} form
typedefs are sensible for defining function pointer parameters
ensure { handling correctly handles nested switch() statements
trailing whitespace checks are not anchored
typedefs for sparse bitwise annotations make sense
update the type matcher to include sparse annotations
clean up indent and spacing
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a some new tests, and a host of changes to fix
false positives, of particular note:
- check for and report #if 0
- extend checking of line lengths and spacing for .pl, .sh etc
- extends the pointer type checks to multiple levels
- updates printk handling to track newlines
- adds a wrapped patch detector
- drops the leading component of the filenames
- extends switch indent handling to switch statmentes rooted in
the context
- adds foo * bar single pointer checks
This version of checkpatch.pl can be found at the following URL:
http://www.shadowen.org/~apw/public/checkpatch/checkpatch.pl-0.04
Full Changelog:
Andy Whitcroft (16):
allow checking line lengths and spacing on other source files
clean up that whitespace
sanitise the input line standardising the content of quotes
clean up pointer type * and space checks
fix up the sanitiser so it maintains the line length
apply the printk facility checks only to the first printk in a set
switch/case indent checks may anchor in the context
add a wrapped patch detector
put the #ifdef in C file checks on ice
asm volatile is acceptable
check for and report #if 0
drop the leading component of the filename as patches are -p1
use the original line when reporting operator errors
correct spelling of Joel's name
Version: 0.04
add support for struct foo * bar checks
Geert Uytterhoeven (1):
Fix checkpatch.pl name in usage template
Randy Dunlap (1):
checkpatch: produce fewer lines of output
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Joel Schopp <jschopp@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Produce one less line of output per flagged incident.
Change this:
use tabs not spaces
PATCH: /home/rddunlap/arcmsr1200014.patch4:756:
FILE: b/drivers/scsi/arcmsr/arcmsr_hba.c:1843:
+ return PCI_ERS_RESULT_NEED_RESET;$
to this:
use tabs not spaces
#756: FILE: b/drivers/scsi/arcmsr/arcmsr_hba.c:1843:
+ return PCI_ERS_RESULT_NEED_RESET;$
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This version brings a host of changes to cure false positives and
bugs detected on patches submitted to lkml and -mm. It also brings
a number of new tests in response to reviews, of particular note:
- catch use of volatile
- allow deprecated functions to be listed in feature-removal-schedule.txt
- warn about #ifdef's in c files
- check that spinlock_t and struct mutex use is commented
- report on architecture specific defines being used
- report memory barriers without an associated comment
Full changelog:
catch use of volatile
convert other quoted string checks to common routine
alloc deprecated functions to be listed in feature-removal-schedule.txt
split out the line length and indent for each line
improve switch block handling
handle GNU diff context lines with no leading space
warn about #ifdef's in c files
tidy up tests for signed-off-by using raw mode
check that spinlock_t and struct mutex use is commented
syntax checks for open brace placement may drop off the bottom of hunk
report memory barriers without an associated comment
when a sign off is present but ugly do not report it missing
do not mistake bitfield definitions for indented labels
report on architecture specific defines being used
major update to the operator checks
prevent switch/if/while etc matching foo_switch
generify assignement in condition error message
introduce an operator context marker
Version: 0.03
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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scripts/checkpatch.pl should be executable, make it so.
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Joel Schopp <jschopp@austin.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We are seeing increasing levels of minor patch style violations in submissions
to the mailing lists as well as making it into the tree. These detract from
the quality of the submission and cause unnessary work for reviewers.
As a first step package up the current state of the patch style checker and
include it in the kernel tree. Add instructions suggesting running it on
submissions. This adds version v0.01 of the checkpatch.pl script.
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Joel Schopp <jschopp@austin.ibm.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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