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Joe Perches 8eef05dd3e checkpatch: Warn on code with 6+ tab indentation 
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>
2012-02-07 15:53:08 -08:00
..
basic fixdep: fix extraneous dependencies 2011-09-09 11:45:47 +02:00
coccinelle scripts/coccinelle: improve the coverage of some semantic patches 2012-01-15 00:05:46 +01:00
dtc dtc: Implement -d option to write out a dependency file 2012-01-14 23:47:37 +01:00
genksyms scripts/genksyms: clean lex/yacc generated files 2012-01-08 14:48:15 +01:00
kconfig Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2012-01-16 14:35:34 -08:00
ksymoops
mod Revert "ARM: sa11x0: Implement autoloading of codec and codec pdata for mcp bus." 2012-01-20 17:38:58 +00:00
package scripts/package/Makefile: Fix typo: an deb -> a deb 2011-10-29 21:15:07 +02:00
rt-tester Fix common misspellings 2011-03-31 11:26:23 -03:00
selinux Create Documentation/security/, 2011-05-19 15:59:38 -07:00
tracing tracing, perf: Convert the power tracer into an event tracer 2009-09-19 11:42:12 +02:00
.gitignore kbuild: move scripts/basic/docproc.c to scripts/docproc.c 2011-05-02 22:48:03 +02:00
bin2c.c
bloat-o-meter bloat-o-meter: include read-only data section in report 2011-03-22 17:44:17 -07:00
bootgraph.pl bootgraph.pl: relax timing information requirements 2011-06-13 00:04:57 +02:00
checkincludes.pl checkincludes: fix perlcritic warnings 2010-03-07 21:19:57 +01:00
checkkconfigsymbols.sh checkkconfigsymbols.sh: Kconfig symbols sometimes have lowercase letters 2010-06-03 10:39:39 +02:00
checkpatch.pl checkpatch: Warn on code with 6+ tab indentation 2012-02-07 15:53:08 -08:00
checkstack.pl Haavard Skinnemoen has left Atmel 2011-05-18 23:24:50 +02:00
checksyscalls.sh checksyscalls: Use arch/x86/syscalls/syscall_32.tbl as source 2011-11-17 13:35:37 -08:00
checkversion.pl kbuild: don't warn about include/linux/version.h not including itself 2011-04-29 15:38:55 +02:00
cleanfile
cleanpatch
coccicheck coccicheck: add M= option to control which dir is processed 2012-01-14 22:25:40 +01:00
config kbuild: add numeric --set-val option to scripts/config 2010-12-15 15:44:31 +01:00
conmakehash.c Fix all -Wmissing-prototypes warnings in x86 defconfig 2009-09-23 07:39:28 -07:00
decodecode scripts: decodecode: remove bashisms 2010-06-04 10:26:35 +02:00
depmod.sh kbuild: Do not write to builddir in modules_install 2011-07-12 13:36:30 +02:00
diffconfig
docproc.c docproc: cleanup brace placement 2011-06-16 20:40:03 +02:00
export_report.pl export_report: use warn() to issue WARNING, so they go to stderr 2011-05-24 16:07:07 +02:00
extract-ikconfig scripts/extract-ikconfig: add xz compression support 2011-02-10 15:23:03 +01:00
extract-vmlinux scripts: add extract-vmlinux 2011-08-31 16:12:17 +02:00
gcc-goto.sh scripts/gcc-goto.sh: fix a typo ("suport") 2011-06-16 11:15:22 +02:00
gcc-version.sh Remove bashisms from scripts 2009-06-09 22:37:54 +02:00
gcc-x86_32-has-stack-protector.sh stackprotector: fix multi-word cross-builds 2009-02-11 12:17:29 +01:00
gcc-x86_64-has-stack-protector.sh stackprotector: fix multi-word cross-builds 2009-02-11 12:17:29 +01:00
gen_initramfs_list.sh Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-05-24 13:31:37 -07:00
get_maintainer.pl get_maintainers.pl: follow renames when looking up commit signers 2012-01-10 16:30:46 -08:00
gfp-translate scripts: fix gfp-translate for recent changes to gfp.h 2010-11-25 06:50:49 +09:00
headerdep.pl headerdep: perlcritic warning 2010-03-23 12:26:38 +01:00
headers.sh kbuild, headers.sh: Don't make archheaders explicitly 2011-11-22 14:47:50 -08:00
headers_check.pl headers_check: Fix warning text 2010-12-14 17:05:08 +01:00
headers_install.pl headers_install: fix __packed in exported kernel headers 2011-06-24 16:56:05 +02:00
kallsyms.c scripts/kallsyms.c: fix potential segfault 2011-05-12 17:23:40 +02:00
Kbuild.include kbuild: add `baseprereq' 2011-06-09 14:04:38 -04:00
kernel-doc scripts/kernel-doc: fix fatal error caused by cfg80211.h 2012-01-23 08:44:53 -08:00
Lindent
Makefile kbuild: move scripts/basic/docproc.c to scripts/docproc.c 2011-05-02 22:48:03 +02:00
Makefile.asm-generic kbuild: silence Nothing to be done for 'all' message 2011-06-09 11:48:19 +02:00
Makefile.build scripts/Makefile.build: do not reference EXTRA_CFLAGS as CFLAGS replacement 2011-08-31 16:41:39 +02:00
Makefile.clean kbuild: Really don't clean bounds.h and asm-offsets.h 2010-03-11 11:15:22 +01:00
Makefile.fwinst
Makefile.headersinst kbuild: Add support for installing generated asm headers 2011-11-17 13:14:36 -08:00
Makefile.help Add a target to use the Coccinelle checker 2010-06-12 00:00:29 +02:00
Makefile.host
Makefile.lib Kbuild: Use dtc's -d (dependency) option 2012-01-15 00:04:35 +01:00
Makefile.modbuiltin kbuild: Create output directory in Makefile.modbuiltin 2010-06-10 12:23:08 +02:00
Makefile.modinst
Makefile.modpost Merge commit 'v3.0-rc1' into kbuild/kbuild 2011-06-07 15:37:51 +02:00
makelst
markup_oops.pl Merge branch 'for-35' of git://repo.or.cz/linux-kbuild 2010-06-01 08:55:52 -07:00
mkcompile_h Fix handling of backlash character in LINUX_COMPILE_BY name 2011-04-29 15:55:45 +02:00
mkmakefile kbuild: silence generated makefile message 2011-07-20 17:08:08 +02:00
mksysmap
mkuboot.sh mkuboot.sh: Fail if mkimage is missing 2011-01-07 14:31:01 +01:00
mkversion
module-common.lds module: Sort exported symbols 2011-05-19 16:55:27 +09:30
namespace.pl Revert "namespace: add source file location exceptions" 2010-10-28 00:59:56 +02:00
patch-kernel eradicate bashisms in scripts/patch-kernel 2011-04-04 14:58:33 +02:00
pnmtologo.c fbdev: work around old compiler bug 2009-06-30 18:55:59 -07:00
profile2linkerlist.pl profile2linkerlist: fix perl warnings 2010-03-07 21:39:33 +01:00
recordmcount.c ftrace/s390: mcount offset calculation 2011-05-16 15:05:06 -04:00
recordmcount.h recordmcount: Fix handling of elf64 big-endian objects. 2012-01-06 17:06:42 -05:00
recordmcount.pl ftrace/s390: mcount offset calculation 2011-05-16 15:05:06 -04:00
setlocalversion setlocalversion: update mercurial tag parsing 2011-01-15 00:40:44 +01:00
show_delta scripts: change scripts to use system python instead of env 2010-02-02 14:33:56 +01:00
tags.sh ctags: remove struct forward declarations 2011-12-18 22:36:06 +01:00
unifdef.c unifdef: update to upstream version 2.5 2011-01-22 15:50:59 +01:00
ver_linux Remove bashisms from scripts 2009-06-09 22:37:54 +02:00
xz_wrap.sh decompressors: add XZ decompressor module 2011-01-13 08:03:24 -08:00