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* checkpatch: warn on uapi #includes that #include <uapi/...Joe Perches2012-12-211-2/+5
| | | | | | | | | | | | | Avoid specifying internal uapi #include paths with uapi/... as userspace should not use and never see that. Neaten message line wrapping above. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: David Howells <dhowells@redhat.com> Acked-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: warn on CamelCase variable namesJoe Perches2012-12-181-6/+13
| | | | | | | | | | Store the camelcase variables in a hash and only emit a warning on the first use of each new variable. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add support for floating point constantsJoe Perches2012-12-181-1/+5
| | | | | | | | | | | | Even though the kernel doesn't support using floating point constants, add a regex for them. Support forms like: 0x123p1, 123e-1, 1.23, 1.5e23f Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: find hex constants as a single IDENTJoe Perches2012-12-181-1/+1
| | | | | | | | | | | | | Hexadecimal values are current found in 2 parts. A hex constant like 0x123456abcdef is found as 0 and then x123456abcdef and later coalesced. Instead, reverse the order of the 2 searches in $Constant to find 0x first, then 0 so that the entire hex constant is found all at once. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add --strict test for switch/default missing breakJoe Perches2012-12-181-2/+16
| | | | | | | | | | | | | | | | switch default case is sometimes written as "default:;". This can cause new cases added below the default to be defective. Suggest adding a break; after empty default cases to avoid fallthrough defects. Fixed indentation in the other semicolon test above it. Suggested-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: warn when declaring "struct spinlock foo;"Joe Perches2012-12-181-0/+6
| | | | | | | | | spinlock_t should always be used. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: "Luis R. Rodriguez" <mcgrof@do-not-panic.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: Add --strict messages for blank lines around bracesJoe Perches2012-12-181-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | Blank lines around braces are not unnecessary. Emit a message on the use of these blank lines only when using --strict. int foo(int bar) { something or other.... } is generally written in the kernel as: int foo(int bar) { something or other... } Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: extend line continuation testJoe Perches2012-12-181-1/+3
| | | | | | | | | | Preprocessor directives and asm statements should be allowed to have a line continuation. Signed-off-by: Joe Perches <joe@perches.com> Tested-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: allow control over line length warning, default remains 80Joe Perches2012-12-181-3/+6
| | | | | | | | | | | | Some projects might want a longer line length so allow a command line --max-line-length=n control over the long line warnings. The default line length is 80. Signed-off-by: Joe Perches <joe@perches.com> Cc: Constantine Shulyupin <const@makelinux.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: consolidate if (foo) bar(foo) checks and add debugfs_removeAndy Whitcroft2012-12-181-14/+6
| | | | | | | | | | | | | Consolidate the if (foo) bar(foo) detectors into a single check. Add debugfs_remove and family. Based on a patch by Constantine Shulyupin. Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Constantine Shulyupin <const@MakeLinux.com>. Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: remove reference to feature-removal-schedule.txtTao Ma2012-12-181-37/+0
| | | | | | | | | | | | In commit 9c0ece069b32 ("Get rid of Documentation/feature-removal.txt"), Linus removes feature-removal-schedule.txt from Documentation, but there is still some reference to this file. So remove them. Signed-off-by: Tao Ma <boyu.mt@taobao.com> Acked-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: warn about using CONFIG_EXPERIMENTALKees Cook2012-12-181-0/+13
| | | | | | | | | | | | | This config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, it is being removed. This will discourage future addition of CONFIG_EXPERIMENTAL while it is being phased out. Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: warn on unnecessary line continuationsJoe Perches2012-12-181-0/+9
| | | | | | | | | | | When the previous line is not a line continuation and the current line has a line continuation but is not a #define, emit a warning. Signed-off-by: Joe Perches <joe@perches.com> Cc: Peter Hurley <peter@hurleysoftware.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: improve network block comment style checkingJoe Perches2012-11-091-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some comment styles in net and drivers/net are flagged inappropriately. Avoid proclaiming inline comments like: int a = b; /* some comment */ and block comments like: /********************* * some comment ********************/ are defective. Tested with $ cat drivers/net/t.c /* foo */ /* * foo */ /* foo */ /* foo * bar */ /**************************** * some long block comment ***************************/ struct foo { int bar; /* another test */ }; $ Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: David Miller <davem@davemloft.net> Cc: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: fix name of "MODULE_PARM_DESC"Kees Cook2012-10-051-1/+1
| | | | | | | | | Fix macro name in checkpatch: s/PARAM/PARM/. Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: check networking specific block comment styleJoe Perches2012-10-051-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In an effort to get fewer checkpatch reviewer corrections, add a networking specific style test for the preferred networking comment style. /* The preferred style for block comments in * drivers/net/... and net/... is like this */ These tests are only used in net/ and drivers/net/ Tested with: $ cat drivers/net/t.c /* foo */ /* * foo */ /* foo */ /* foo * bar */ $ ./scripts/checkpatch.pl -f drivers/net/t.c WARNING: networking block comments don't use an empty /* line, use /* Comment... #4: FILE: net/t.c:4: + +/* WARNING: networking block comments put the trailing */ on a separate line #12: FILE: net/t.c:12: + * bar */ total: 0 errors, 2 warnings, 12 lines checked Signed-off-by: Joe Perches <joe@perches.com> Cc: "Allan, Bruce W" <bruce.w.allan@intel.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: update suggested printk conversionsJoe Perches2012-10-051-2/+4
| | | | | | | | | | | | | | | | | | Direct conversion of printk(KERN_<LEVEL>... to pr_<level> isn't the preferred conversion when a struct net_device or struct device is available. Hint that using netdev_<level> or dev_<level> is preferred to using pr_<level>. Add netdev_dbg and dev_dbg variants too. Miscellaneous whitespace neatening of a misplaced close brace. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: check utf-8 content from a commit log when it's missing from charsetPasi Savanainen2012-10-051-3/+12
| | | | | | | | | | | | | Check that a commit log doesn't contain UTF-8 when a mail header explicitly defines a different charset, like 'Content-Type: text/plain; charset="us-ascii"' Signed-off-by: Pasi Savanainen <pasi.savanainen@nixu.com> Cc: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add control statement test to SINGLE_STATEMENT_DO_WHILE_MACROJoe Perches2012-08-221-1/+2
| | | | | | | | | | | | | | | | | | Commit b13edf7ff2dd ("checkpatch: add checks for do {} while (0) macro misuses") added a test that is overly simplistic for single statement macros. Macros that start with control tests should be enclosed in a do {} while (0) loop. Add the necessary control tests to the check. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Andy Whitcroft <apw@canonical.com> Tested-by: Franz Schrober <franzschrober@yahoo.de> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add checks for do {} while (0) macro misusesJoe Perches2012-07-311-0/+39
| | | | | | | | | | | | These types of macros should not be used for either a single statement nor should the macro end with a semi-colon. Add tests for these conditions. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: Add acheck for use of sizeof without parenthesisJoe Perches2012-07-311-0/+6
| | | | | | | | | Kernel style uses parenthesis around sizeof. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: check usleep_range() argumentsJoe Perches2012-07-311-0/+16
| | | | | | | | | | | | usleep_range() shouldn't use the same args for min and max. Report it when it happens and when both args are decimal and min > max. Signed-off-by: Joe Perches <joe@perches.com> Cc: Yuval Mintz <yuvalmin@broadcom.com> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: test for non-standard signaturesJoe Perches2012-07-311-1/+5
| | | | | | | | Warn on non-standard signature styles. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: Update alignment checkJoe Perches2012-07-311-2/+2
| | | | | | | | | | | | Parenthesis alignment doesn't correctly check an existing line after an inserted or modified line with an open parenthesis. Fix it. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: suggest pr_<level> over printk(KERN_<LEVEL>Joe Perches2012-06-011-0/+13
| | | | | | | | | | | | | Suggest the shorter pr_<level> instead of printk(KERN_<LEVEL>. Prefer to use pr_<level> over bare printks. Prefer to use pr_warn over pr_warning. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: check for whitespace before semicolon at EOLEric Nelson2012-06-011-0/+7
| | | | | | | | | | | | | | | | | | | | | Requires --strict option during invocation: ~/linux$ scripts/checkpatch --strict foo.patch This tests for a bad habits of mine like this: return 0 ; Note that it does allow a special case of a bare semicolon for empty loops: while (foo()) ; Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: revert --strict test for net/ and drivers/net block comment styleJoe Perches2012-04-161-6/+0
| | | | | | | | | Revert the --strict test for the old preferred block comment style in drivers/net and net/ Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: check for quoted strings broken across linesJosh Triplett2012-03-241-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | checkpatch already makes an exception to the 80-column rule for quoted strings, and Documentation/CodingStyle recommends not splitting quoted strings across lines, because it breaks the ability to grep for the string. Rather than just permitting this, actively warn about quoted strings split across lines. Test case: void context(void) { struct { unsigned magic; const char *strdata; } foo[] = { { 42, "these strings" "do not produce warnings" }, { 256, "though perhaps" "they should" }, }; pr_err("this string" " should produce a warning\n"); pr_err("this multi-line string\n" "should not produce a warning\n"); asm ("this asm\n\t" "should not produce a warning"); } Results of checkpatch on that test case: WARNING: quoted string split across lines + " should produce a warning\n"); total: 0 errors, 1 warnings, 15 lines checked Signed-off-by: Josh Triplett <josh@joshtriplett.org> Acked-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: whitespace - add/remove blank linesJoe Perches2012-03-241-1/+3
| | | | | | | | | Add blank lines between a few tests, remove an extraneous one. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: warn on use of yield()Joe Perches2012-03-241-0/+6
| | | | | | | | | | Using yield() is generally wrong. Warn on its use. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add --strict tests for braces, comments and castsJoe Perches2012-03-241-8/+32
| | | | | | | | | | | | | | | | | | Add some more subjective --strict tests. Add a test for block comments that start with a blank line followed only by a line with just the comment block initiator. Prefer a blank line followed by /* comment... Add a test for unnecessary spaces after a cast. Add a test for symmetric uses of braces in if/else blocks. If one branch needs braces, then all branches should use braces. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add [] to type extensionsAndy Whitcroft2012-03-241-1/+1
| | | | | | | | | | | Add [] to a type extensions. Fixes false positives on: .attrs = (struct attribute *[]) { Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: high precedence operators do not require additional parentheses ↵Andy Whitcroft2012-03-241-1/+1
| | | | | | | | | | | | | | | | | in #defines With any very high precedence operator it is not necessary to enforce additional parentheses around simple negated expressions. This prevents us requesting further perentheses around the following: #define PMEM_IS_FREE(id, index) !(pmem[id].bitmap[index].allocated) For now add logical and bitwise not and unary minus. Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: handle string concatenation in simple #definesAndy Whitcroft2012-03-241-0/+6
| | | | | | | | | | | | | Adjacent strings indicate concatentation, therefore look at identifiers directly adjacent to literal strings as strings too. This allows us to better detect the form below and accept it as a simple constant: #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: allow simple character constants in #definesAndy Whitcroft2012-03-241-0/+1
| | | | | | | Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: catch [ ... ] usage when not at the beginning of definitionAndy Whitcroft2012-03-241-1/+1
| | | | | | | | | | | | | | | Handle the [ A ... B ] form deeper into a definition, for example: static const unsigned char pci_irq_swizzle[2][PCI_MAX_DEVICES] = { {0, 0, 0, 0, 0, 0, 0, 27, 27, [9 ... PCI_MAX_DEVICES - 1] = 0 }, {0, 0, 0, 0, 0, 0, 0, 29, 29, [9 ... PCI_MAX_DEVICES - 1] = 0 }, }; Reported-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch.pl: be silent when -q and --ignore is givenArtem Bityutskiy2012-03-241-3/+2
| | | | | | | | | | | | | | | | | | | | | Fix checkpatch.pl when both -q and --ignore are given and prevents it from printing a NOTE: Ignored message types: blah messages. E.g., if I use -q --ignore PREFER_PACKED,PREFER_ALIGNED, i see: NOTE: Ignored message types: PREFER_ALIGNED PREFER_PACKED It makes no sense to print this when -q is given. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: add some --strict coding style checksJoe Perches2012-03-241-10/+84
| | | | | | | | | | | | | | | | | | Argument alignment across multiple lines should match the open parenthesis. Logical continuations should be at the end of the previous line, not the start of a new line. These are not required by CodingStyle so make the tests active only when using --strict. Improved by some examples from Bruce Allen. Signed-off-by: Joe Perches <joe@perches.com> Cc: "Bruce W. Allen" <bruce.w.allan@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* include/ and checkpatch: prefer __scanf to __attribute__((format(scanf,...)Joe Perches2012-03-241-0/+6
| | | | | | | | It's equivalent to __printf, so prefer __scanf. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: Warn on code with 6+ tab indentationJoe Perches2012-02-081-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Overly indented code should be refactored. Suggest refactoring excessive indentation of of if/else/for/do/while/switch statements. For example: $ cat t.c #include <stdio.h> #include <stdlib.h> int main(int argc, char **argv) { if (1) if (2) if (3) if (4) if (5) if (6) if (7) if (8) ; return 0; } $ ./scripts/checkpatch.pl -f t.c WARNING: Too many leading tabs - consider code refactoring #12: FILE: t.c:12: + if (6) WARNING: Too many leading tabs - consider code refactoring #13: FILE: t.c:13: + if (7) WARNING: Too many leading tabs - consider code refactoring #14: FILE: t.c:14: + if (8) total: 0 errors, 3 warnings, 17 lines checked t.c has style problems, please review. If any of these errors are false positives, please report them to the maintainer, see CHECKPATCH in MAINTAINERS. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: catch all occurences of type and cast spacing errors per lineAndy Whitcroft2012-01-111-4/+7
| | | | | | | | | | | | | | | | | | | | Fix up type and cast spacing checks such that all occurences on a line are examined and reported. For example the line below has a valid cast and a bad type, but currently we check the cast first which is good and stop: u16* bar = (u16 *)baz; We will also only report one of the errors in this example: u16* bar = (u16*)bad; Move to iterating across all casts and all types, reporting any failure. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: typeof may have more complex argumentsAndy Whitcroft2012-01-111-1/+1
| | | | | | | | | | typeof may have various more complex forms as its arguement, not just an identifier. For now allow us to leak to the first close perenthesis ')'. Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: ensure cast type is unique in the context parserAndy Whitcroft2012-01-111-1/+1
| | | | | | | | | | Ensure the cast type is unique in the context parser, we do not want them to detect as a comma ','. Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: fix complex macros handling of square bracketsAndy Whitcroft2012-01-111-1/+1
| | | | | | | Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: fix 'return is not a function' square bracket handlingAndy Whitcroft2012-01-111-1/+1
| | | | | | | | | | | | | | | We are incorrectly matching square brackets '[' and ']' leading to false positives on more complex functions as below: return (dt3155_fbuffer[m]->ready_head - dt3155_fbuffer[m]->ready_len + dt3155_fbuffer[m]->nbuffers)% (dt3155_fbuffer[m]->nbuffers); Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: complex macro should allow the empty do while loopAndy Whitcroft2012-01-111-1/+1
| | | | | | | | | | | | It is common to stub out a function as below, this is triggering a complex macro format incorrectly. Sort this out: #define cma_early_regions_reserve(reserve) do { } while (0) Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: fix EXPORT_SYMBOL handling following a functionAndy Whitcroft2012-01-111-1/+1
| | | | | | | | | | | | | | | | | The following fragment defeats the DEVICE_ATTR style handing, check for and ignore the close brace '}' in this context: int foo() { } DEVICE_ATTR(link_power_management_policy, S_IRUGO | S_IWUSR, ata_scsi_lpm_show, ata_scsi_lpm_put); EXPORT_SYMBOL_GPL(dev_attr_link_power_management_policy); Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: only apply kconfig help checks for options which promptAndy Whitcroft2012-01-111-5/+12
| | | | | | | | | | | | | The intent of this check is to catch the options which the user will see and ensure they are properly described. It is also common for internal only options to have a brief description. Allow this form. Reported-by: Steven Rostedt <rostedt@goodmis.org> Tested-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: optimise statement scanner when mid-statementAndy Whitcroft2012-01-111-2/+20
| | | | | | | | | | | | | In the middle of a long definition or similar, there is no possibility of finding a smaller sub-statement. Optimise this case by skipping statement aquirey where there are no starts of statement (open brace '{' or semi-colon ';'). We are likely to scan slightly more than needed still but this is safest. Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* checkpatch: ## is not a valid modifierAndy Whitcroft2012-01-111-1/+3
| | | | | | | | | | | Inserting a # into the modifiers list will incorrectly add the null string to the modifiers list, leading to an infinite loop. As neither of these is a valid modifier form simply ignore them. Signed-off-by: Andy Whitcroft <apw@canonical.com> Reported-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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