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Andy Lutomirski 91c9afaf97 checkpatch.pl: new instances of ENOSYS are errors 
ENOSYS means that a nonexistent system call was called.  We have a
bad habit of using it for things like invalid operations on
otherwise valid syscalls.  We should avoid this in new code.

Pervasive incorrect usage of ENOSYS came up at the kernel summit ABI
review discussion.  Let's see if checkpatch can help.

I'll submit a separate patch for include/uapi/asm-generic/errno.h.

Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Michael Kerrisk <mtk.manpages@gmail.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>
2015-04-17 09:03:58 -04:00
..
basic
kernel: build bin2c based on config option CONFIG_BUILD_BIN2C
2014-08-08 15:57:32 -07:00
coccinelle
scripts/coccinelle/misc/bugon.cocci: update bug_on conversion warning
2015-04-14 16:48:56 -07:00
dtc
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
gdb
scripts/gdb: add empty package initialization script
2015-02-28 09:57:51 -08:00
genksyms
genksyms: fix typeof() handling
2014-04-03 16:20:52 -07:00
kconfig
kconfig: Do not print status messages in make -s mode
2015-04-09 17:44:34 +02:00
ksymoops
…
mod
arm64 updates for 3.18:
2014-10-08 05:34:24 -04:00
package
builddeb: Try to determine distribution
2015-01-06 20:42:46 +01:00
rt-tester
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
selinux
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
tracing
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
.gitignore
bin2c: move bin2c in scripts/basic
2014-08-08 15:57:32 -07:00
analyze_suspend.py
PM / tools: analyze_suspend.py: update to v3.0
2014-08-09 02:47:58 +02:00
asn1_compiler.c
X.509: silence asn1 compiler debug output
2015-01-23 12:10:39 +00:00
bloat-o-meter
bloat-o-meter: Ignore syscall aliases SyS_ and compat_SyS_
2014-08-23 13:08:48 -07:00
bootgraph.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
checkincludes.pl
checkincludes: fix perlcritic warnings
2010-03-07 21:19:57 +01:00
checkkconfigsymbols.py
checkkconfigsymbols.py: improve detection of defects
2014-11-08 20:50:43 -08:00
checkpatch.pl
checkpatch.pl: new instances of ENOSYS are errors
2015-04-17 09:03:58 -04:00
checkstack.pl
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-10-07 21:16:26 -04:00
checksyscalls.sh
scripts/checksyscalls.sh: Make renameat optional
2014-05-20 10:59:38 +02:00
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
Coccinelle: Update information about the minimal version required
2013-07-03 22:58:20 +02:00
config
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
conmakehash.c
kbuild: trivial - remove trailing spaces
2014-04-30 17:34:32 +02:00
decode_stacktrace.sh
decode_stacktrace: make stack dump output useful again
2014-06-10 15:29:43 -07:00
decodecode
scripts/decodecode: make faulting insn ptr more robust
2013-04-29 15:54:27 -07:00
depmod.sh
depmod: pass -P $CONFIG_SYMBOL_PREFIX
2013-02-22 11:52:31 +01:00
diffconfig
vfs,ext2: remove CONFIG_EXT2_FS_XIP and rename CONFIG_FS_XIP to CONFIG_FS_DAX
2015-02-16 17:56:04 -08:00
docproc.c
kbuild: trivial - use tabs for code indent where possible
2014-06-10 14:00:53 +02:00
export_report.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +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
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
gcc-ld
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
gcc-version.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
gcc-x86_32-has-stack-protector.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
gcc-x86_64-has-stack-protector.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
gen_initramfs_list.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
get_maintainer.pl
scripts: Teach get_maintainer.pl about the new "R:" tag
2014-07-08 14:47:17 -07:00
gfp-translate
chmod +x scripts/gfp-translate
2012-06-27 12:44:29 -07:00
headerdep.pl
headerdep: perlcritic warning
2010-03-23 12:26:38 +01:00
headers_check.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
headers_install.sh
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2014-10-14 09:22:26 +02:00
headers.sh
CRIS: Fix headers_install
2014-12-20 00:01:12 +01:00
kallsyms.c
Kbuild: kallsyms: drop special handling of pre-3.0 GCC symbols
2015-04-07 13:04:51 +02:00
Kbuild.include
kbuild: allow cc-ifversion to have the argument for false condition
2015-01-09 17:25:44 +01:00
kernel-doc
scripts/kernel-doc: don't eat struct members with __aligned
2014-12-10 17:41:02 -08:00
ld-version.sh
Kbuild, lto: add ld-version and ld-ifversion macros
2014-02-13 20:25:00 -08:00
Lindent
…
link-vmlinux.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
Makefile
scripts/gdb: add infrastructure
2015-02-17 14:34:53 -08:00
Makefile.asm-generic
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
Makefile.build
ftrace: allow architectures to specify ftrace compile options
2015-01-29 09:19:19 +01:00
Makefile.clean
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2015-02-19 10:07:08 -08:00
Makefile.dtbinst
kbuild: include $(src)/Makefile rather than $(obj)/Makefile
2015-04-02 16:42:08 +02:00
Makefile.extrawarn
kbuild, LLVMLinux: Supress warnings unless W=1-3
2014-08-05 15:40:01 +02:00
Makefile.fwinst
kbuild: include $(src)/Makefile rather than $(obj)/Makefile
2015-04-02 16:42:08 +02:00
Makefile.headersinst
kbuild: collect shorthands into scripts/Kbuild.include
2014-11-26 14:36:52 +01:00
Makefile.help
Add a target to use the Coccinelle checker
2010-06-12 00:00:29 +02:00
Makefile.host
kbuild: handle the dependency of multi-objs hostprogs appropriately
2014-08-19 10:26:20 +02:00
Makefile.kasan
kasan: enable instrumentation of global variables
2015-02-13 21:21:42 -08:00
Makefile.lib
kasan: add kernel address sanitizer infrastructure
2015-02-13 21:21:40 -08:00
Makefile.modbuiltin
kbuild: Create output directory in Makefile.modbuiltin
2010-06-10 12:23:08 +02:00
Makefile.modinst
kbuild: handle module compression while running 'make modules_install'.
2014-08-27 21:54:12 +09:30
Makefile.modpost
modpost: Optionally ignore secondary errors seen if a single module build fails
2013-09-23 15:45:03 +09:30
Makefile.modsign
modsign: lookup lines ending in .ko in .mod files
2014-08-27 21:54:11 +09:30
makelst
…
markup_oops.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
mkcompile_h
kbuild: trivial - remove trailing spaces
2014-04-30 17:34:32 +02:00
mkmakefile
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
mksysmap
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
mkuboot.sh
mkuboot.sh: Fail if mkimage is missing
2011-01-07 14:31:01 +01:00
mkversion
…
module-common.lds
kernel: add support for .init_array.* constructors
2015-02-13 21:21:42 -08:00
namespace.pl
Revert "namespace: add source file location exceptions"
2010-10-28 00:59:56 +02:00
objdiff
scripts: objdiff: support directories for the augument of record command
2014-06-10 14:59:33 +02:00
patch-kernel
kbuild: trivial - remove trailing spaces
2014-04-30 17:34:32 +02:00
pnmtologo.c
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
profile2linkerlist.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
recordmcount.c
s390/ftrace,kprobes: allow to patch first instruction
2014-10-27 13:27:27 +01:00
recordmcount.h
recordmcount/MIPS: Fix possible incorrect mcount_loc table entries in modules
2014-06-26 10:48:19 +01:00
recordmcount.pl
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2015-02-11 17:42:32 -08:00
setlocalversion
Fix detectition of kernel git repository in setlocalversion script [take #2]
2014-01-03 14:48:42 +01:00
show_delta
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
sign-file
treewide: fix errors in printk
2014-09-01 11:18:25 +02:00
sortextable.c
xtensa: enable sorting extable at build time
2014-04-02 01:35:50 +04:00
sortextable.h
scripts/sortextable: suppress warning: `relocs_size' may be used uninitialized
2014-10-14 02:18:23 +02:00
spelling.txt
checkpatch: spell check reudce
2015-04-17 09:03:56 -04:00
tags.sh
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2014-10-14 09:27:48 +02:00
unifdef.c
unifdef: update to upstream version 2.5
2011-01-22 15:50:59 +01:00
ver_linux
…
xz_wrap.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00