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* kernel-doc: escape xml for structsRandy Dunlap2010-11-191-3/+9
| | | | | | | | | | | | | | | | scripts/kernel-doc was leaving unescaped '<', '>', and '&' in generated xml output for structs. This causes xml parser errors. Convert these characters to "&lt;", "&gt;", and "&amp;" as needed to prevent errors. Most of the conversion was already done; complete it just before output. Documentation/DocBook/device-drivers.xml:41883: parser error : StartTag: invalid element name #define INPUT_KEYMAP_BY_INDEX (1 << 0) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kconfig: sym_expand_string_value: allow for string termination when reallocingAndy Whitcroft2010-11-011-1/+1
| | | | | | | | | | When expanding a parameterised string we may run out of space, this triggers a realloc. When computing the new allocation size we do not allow for the terminating '\0'. Allow for this when calculating the new length. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
*-. Merge branches 'irq-core-for-linus' and 'core-locking-for-linus' of ↵Linus Torvalds2010-11-011-6/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: genirq: Fix up irq_node() for irq_data changes. genirq: Add single IRQ reservation helper genirq: Warn if enable_irq is called before irq is set up * 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: semaphore: Remove mutex emulation staging: Final semaphore cleanup jbd2: Convert jbd2_slab_create_sem to mutex hpfs: Convert sbi->hpfs_creation_de to mutex Fix up trivial change/delete conflicts with deleted 'dream' drivers (drivers/staging/dream/camera/{mt9d112.c,mt9p012_fox.c,mt9t013.c,s5k3e2fx.c})
| | * semaphore: Remove mutex emulationThomas Gleixner2010-10-301-6/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Semaphores used as mutexes have been deprecated for years. Now that all users are either converted to real semaphores or to mutexes remove the cruft. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Christoph Hellwig <hch@infradead.org> LKML-Reference: <20100907125057.562399240@linutronix.de>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2010-10-291-7/+36
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-kconfig * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-kconfig: kconfig: Have streamline_config process menuconfigs too kconfig: Fix streamline_config to read multi line deps in Kconfig files kconfig: Fix missing declaration of variable $dir in streamline_config.pl kconfig: Fix variable name typo %prompts in streamline_config.pl kconfig: Make localmodconfig handle environment variables
| * | | kconfig: Have streamline_config process menuconfigs tooSteven Rostedt2010-10-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some menuconfigs in the Kconfig files have prompts and dependencies. Currently, streamline_config misses these, and this can cause streamline_config to keep modules enabled that should not be, and even worse, not enable those that should. This patch makes streamline_config process menuconfigs just like it would process a config. Reported-by: member graysky <graysky@archlinux.us> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | kconfig: Fix streamline_config to read multi line deps in Kconfig filesSteven Rostedt2010-10-291-1/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I noticed that some Kconfig files have multi line dependencies that continue with a backslash. Those dependencies on the next line will be missed by streamline_config. For example: config CS89x0 tristate "CS89x0 support" depends on NET_ETHERNET && (ISA || EISA || MACH_IXDP2351 \ || ARCH_IXDP2X01 || MACH_MX31ADS) The "|| ARCH_IXDP2X01 || MACH_MX31ADS)" will not be processed. This patch adds code to handle this case. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | kconfig: Fix missing declaration of variable $dir in streamline_config.plhiromu2010-10-291-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Fri, Aug 17, 2010 at 01:43PM +0800, Américo Wang wrote: > Acked-by: WANG Cong <xiyou.wangcong@gmail.com> > > BTW, I think we should add "use strict;" too. Then I added "use strict;" to streamline_config.pl, I saw another warning. > Global symbol "$dir" requires explicit package name at scripts/kconfig/streamline_config.pl line 286. > Global symbol "$dir" requires explicit package name at scripts/kconfig/streamline_config.pl line 287. > Global symbol "$dir" requires explicit package name at scripts/kconfig/streamline_config.pl line 288. Then I added "my $dir;" to line 285. Cc: Américo Wang <xiyou.wangcong@gmail.com> Cc: Toralf Foerster <toralf.foerster@gmx.de> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Hiromu Yakura <hiromu1996@gmail.com> LKML-Reference: <1282042158.7160.9.camel@hiromu-Macbook> [ changed to just add my in front of $dir instead of new line ] Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | kconfig: Fix variable name typo %prompts in streamline_config.plhiromu yagura2010-10-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When I added "use strict;" to streamline_config.pl, I saw the following warnings: > Global symbol "%prompt" requires explicit package name at scripts/kconfig/streamline_config.pl line 183. > Global symbol "%prompt" requires explicit package name at scripts/kconfig/streamline_config.pl line 368. The declaration of %prompt was incorrect, and should have been %prompts. Cc: Toralf Foerster <toralf.foerster@gmx.de> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Hiromu Yakura <hiromu1996@gmail.com> LKML-Reference: <1281845597.11566.5.camel@camp10-laptop> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | kconfig: Make localmodconfig handle environment variablesSteven Rostedt2010-10-291-1/+11
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The commit 838a2e55e6a4e9e8a10451ed2ef0f7a08dabdb04 kbuild: migrate all arch to the kconfig mainmenu upgrade Broke make localmodconfig. The reason was that it added a environment variable to the kconfig source, which the streamline_config.pl could not handle. This patch changes streamline_config.pl to handle kconfig sources using environment variables in their names. Cc: Arnaud Lacombe <lacombar@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | | ftrace/MIPS: Add module support for C version of recordmcountWu Zhangjin2010-10-292-4/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since MIPS modules' address space differs from the core kernel space, to access the _mcount in the core kernel, the kernel functions in modules must use long call (-mlong-calls): load the _mcount address into one register and jump to the address stored by the register: c: 3c030000 lui v1,0x0 <--------> b label c: R_MIPS_HI16 _mcount c: R_MIPS_NONE *ABS* c: R_MIPS_NONE *ABS* 10: 64630000 daddiu v1,v1,0 10: R_MIPS_LO16 _mcount 10: R_MIPS_NONE *ABS* 10: R_MIPS_NONE *ABS* 14: 03e0082d move at,ra 18: 0060f809 jalr v1 label: In the old Perl version of recordmcount, we only need to record the position of the 1st R_MIPS_HI16 type of _mcount, and later, in ftrace_make_nop(), replace the instruction in this position by a "b label" and in ftrace_make_call(), replace it back. But, the default C version of recordmcount records all of the _mcount symbols, so, we must filter the 2nd _mcount like the Perl version of recordmcount does. The C version of recordmcount copes with the symbols before they are linked, So It doesn't know the type of the symbols and therefore can not filter the symbols as the Perl version of recordmcount does. But as we can see above, the 2nd _mcount symbols of the long call alawys follows the 1st _mcount symbol of the same long call, which means the offset from the 1st to the 2nd is fixed, it is 0x10-0xc = 4 here, 4 is the length of the 1st load instruciton, for MIPS has fixed length of instructions, this offset is always 4. And as we know, the _mcount is inserted into the entry of every kernel function, the offset between the other _mcount's is expected to be always bigger than 4. So, to filter the 2ns _mcount symbol of the long call, we can simply check the offset between two _mcount symbols, If it is 4, then, filter the 2nd _mcount symbol. To avoid touching too much code, an 'empty' function fn_is_fake_mcount() is added for all of the archs, and the specific archs can override it via chaning the function pointer: is_fake_mcount in do_file() with the e_machine. e.g. This patch adds MIPS_is_fake_mcount() to override the default fn_is_fake_mcount() pointed by is_fake_mcount. This fn_is_fake_mcount() checks if the _mcount symbol is fake, e.g. the 2nd _mcount symbol of the long call is fake, for there are 2 _mcount symbols mapped to one real mcount call, so, one of them is fake and must be filtered. This fn_is_fake_mcount() is called in sift_rel_mcount() after finding the _mcount symbols and before adding the _mcount symbol into mrelp, so, it can prevent the fake mcount symbol going into the last __mcount_loc table. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> LKML-Reference: <b866f0138224340a132d31861fa3f9300dee30ac.1288176026.git.wuzhangjin@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | | ftrace/MIPS: Add MIPS64 support for C version of recordmcountJohn Reiser2010-10-292-4/+71
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MIPS64 has 'weird' Elf64_Rel.r_info[1,2], which must be used instead of the generic Elf64_Rel.r_info, otherwise, the C version of recordmcount will not work for "segmentation fault". Usage of "union mips_r_info" and the functions MIPS64_r_sym() and MIPS64_r_info() written by Maciej W. Rozycki <macro@linux-mips.org> ---- [1] http://techpubs.sgi.com/library/manuals/4000/007-4658-001/pdf/007-4658-001.pdf [2] arch/mips/include/asm/module.h Tested-by: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: John Reiser <jreiser@BitWagon.com> Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> LKML-Reference: <AANLkTinwXjLAYACUfhLYaocHD_vBbiErLN3NjwN8JqSy@mail.gmail.com> LKML-Reference: <910dc2d5ae1ed042df4f96815fe4a433078d1c2a.1288176026.git.wuzhangjin@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Merge branch 'packaging' of ↵Linus Torvalds2010-10-292-2/+4
|\ \ | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'packaging' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: scripts/package: don't break if %{_smp_mflags} isn't set kbuild, deb-pkg: Check if KBUILD_IMAGE exists before copying it
| * | scripts/package: don't break if %{_smp_mflags} isn't setNishanth Aravamudan2010-10-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Same fix as in 13797b77d419fc1b16eebf2993bf7b5cea65f0bf is needed for the "new" line invoking _smp_mflags for modules_install. Without the fix, `make binrpm-pkg` fails with: + make '%{_smp_mflags}' KBUILD_SRC= modules_install make[2]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule. make[2]: *** No rule to make target `%{_smp_mflags}'. Stop. error: Bad exit status from /var/tmp/rpm-tmp.8S9B9e (%install) Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild, deb-pkg: Check if KBUILD_IMAGE exists before copying itGuillem Jover2010-09-061-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | Avoid an error when doing cp over the image when it does not contain the full path to the file. Signed-off-by: Guillem Jover <guillem@hadrons.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | Merge branch 'misc' of ↵Linus Torvalds2010-10-2926-92/+1196
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (39 commits) Revert "namespace: add source file location exceptions" Coccinelle: Add contextual message Coccinelle: Fix documentation Coccinelle: Find doubled arguments to boolean or bit operators. Coccinelle: Find nested lock+irqsave functions that use the same flags variables. namespace: add source file location exceptions scripts/extract-ikconfig: add support for bzip2, lzma and lzo kbuild: check return value of asprintf() scripts/namespace.pl: improve to get more correct results scripts/namespace.pl: some bug fixes scripts/namespace.pl: update file exclusion list scripts/namespace.pl: fix wrong source path Coccinelle: Use the -no_show_diff option for org and report mode Coccinelle: Add a new mode named 'chain' Coccinelle: Use new comment format to explain kfree.cocci Coccinelle: Improve user information with a new kind of comment Coccinelle: Update documentation MAINTAINERS: Coccinelle: Update email address Documentation/kbuild: modules.txt cleanup Documentation/kbuild: major edit of modules.txt sections 5-8 ...
| * | | Revert "namespace: add source file location exceptions"Michal Marek2010-10-281-24/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 24a54f7974a616385b96cd939e004592e2cea484. Stephen Hemminger <shemminger@vyatta.com> writes: > That patch should not be included. It causes more problems than it > solves, since then there are duplicate file locations which causes > false duplicate symbol reports. Reported-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | Coccinelle: Add contextual messageNicolas Palix2010-10-281-3/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the message displayed to the user according to the current mode used. Fix trailing white-space and spelling Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | Coccinelle: Find doubled arguments to boolean or bit operators.Julia Lawall2010-10-282-0/+94
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | Coccinelle: Find nested lock+irqsave functions that use the same flags ↵Julia Lawall2010-10-281-0/+80
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | variables. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | namespace: add source file location exceptionsStephen Hemminger2010-10-281-0/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach namespace checker about some special case files where the source is in unusual location. This fixes many of the source file not found errors (more can be added), and also prevents false positives for functions not being used. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | scripts/extract-ikconfig: add support for bzip2, lzma and lzoDick Streefland2010-10-281-14/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for kernels compressed with bzip2, lzma or lzo to the extract-ikconfig script. Fixes kernel bugzilla #19852: https://bugzilla.kernel.org/show_bug.cgi?id=19852 Signed-off-by: Dick Streefland <dick@streefland.net> Tested-by: Justin <jlec@gentoo.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: check return value of asprintf()Namhyung Kim2010-10-281-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Check return value of asprintf() in docsect() and exit if error occurs. This removes following warning: HOSTCC scripts/basic/docproc scripts/basic/docproc.c: In function ‘docsect’: scripts/basic/docproc.c:336: warning: ignoring return value of ‘asprintf’, declared with attribute warn_unused_result Signed-off-by: Namhyung Kim <namhyung@gmail.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | Merge commit 'v2.6.36' into kbuild/miscMichal Marek2010-10-2844-807/+1893
| |\ \ \ | | | | | | | | | | | | | | | | | | | | Update to be able to fix a recent change to scripts/basic/docproc.c (commit eda603f).
| * | | | scripts/namespace.pl: improve to get more correct resultsAmerigo Wang2010-10-281-9/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Exclude more symbols from arch/x86/vdso/ and arch/x86/boot/; add some more linker-defined symbols into exception list; add other cond_syscalls besides "sys_*". Signed-off-by: Amerigo Wang <amwang@redhat.com> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | scripts/namespace.pl: some bug fixesAmerigo Wang2010-10-281-7/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. Teach namespace.pl to understand "V" and "v" 2. cond_syscalls are moved into kernel/sys_ni.c Signed-off-by: Amerigo Wang <amwang@redhat.com> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | scripts/namespace.pl: update file exclusion listStephen Hemminger2010-10-281-47/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Amerigo Wang <amwang@redhat.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | scripts/namespace.pl: fix wrong source pathAmerigo Wang2010-10-281-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | File::Find will do chdir automatically, so we need to get the absolute patch with $File::Find::dir. Reported-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Amerigo Wang <amwang@redhat.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Use the -no_show_diff option for org and report modeNicolas Palix2010-10-131-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows to write the semantic patches with code sharing for the matching parts. Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add a new mode named 'chain'Nicolas Palix2010-10-131-5/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | spatch now returns -1 when a virtual rule (given with -D on the command line) is not defined in the semantic patch. Using this spatch feature, coccicheck is now tries several modes by default, in the order: patch, report, context, org Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Use new comment format to explain kfree.cocciNicolas Palix2010-10-131-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use new comment format to separate proposed commit message and information about generated false positives Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Improve user information with a new kind of commentNicolas Palix2010-10-131-3/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Improve user information with a new kind of comment about semantic patch output. Fix spelling. Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add misc/ifcol.cocciNicolas Palix2010-08-311-0/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find confusingly indented code in or after an if. An if branch should be indented. The code following an if should not be indented. Sometimes, code after an if that is indented is actually intended to be part of the if branch. This has a high rate of false positives, because Coccinelle's column calculation does not distinguish between spaces and tabs, so code that is not visually aligned may be considered to be in the same column. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add misc/doubleinit.cocciNicolas Palix2010-08-311-0/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find duplicate field initializations. This has a high rate of false positives due to #ifdefs, which Coccinelle is not aware of in a structure initialization. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Move alloc directory into api directoryNicolas Palix2010-08-312-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | alloc contains various semantic patches related to the allocation APIs Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Move resource_size.cocci to the api directoryNicolas Palix2010-08-311-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Move err_cast.cocci to the api directoryNicolas Palix2010-08-311-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add api/memdup_userNicolas Palix2010-08-311-0/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use kmemdup_user rather than duplicating its implementation This is a little bit restricted to reduce false positives Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add api/memdup.cocciNicolas Palix2010-08-311-0/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use kmemdup rather than duplicating its implementation Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add api/kstrdup.cocciNicolas Palix2010-08-311-0/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use kstrdup rather than duplicating its implementation Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add free/kfree.cocciNicolas Palix2010-08-311-0/+116
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find a use after free. Values of variables may imply that some execution paths are not possible, resulting in false positives. Another source of false positives are macros such as SCTP_DBG_OBJCNT_DEC that do not actually evaluate their argument Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add iterators/list_entry_update.cocciNicolas Palix2010-08-311-0/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | list_for_each_entry uses its first argument to get from one element of the list to the next, so it is usually not a good idea to reassign it. The first rule finds such a reassignment and the second rule checks that there is a path from the reassignment back to the top of the loop. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add iterators/itnull.cocciNicolas Palix2010-08-311-0/+58
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many iterators have the property that the first argument is always bound to a real list element, never NULL. False positives arise for some iterators that do not have this property, or in cases when the loop cursor is reassigned. The latter should only happen when the matched code is on the way to a loop exit (break, goto, or return). Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add iterators/fen.cocciNicolas Palix2010-08-311-0/+64
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | for_each_node iterators only exit normally when the loop cursor is NULL, so there is no point to call of_node_put on the final value. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add locks/mini_lock.cocciNicolas Palix2010-08-311-0/+95
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find missing unlocks. This semantic match considers the specific case where the unlock is missing from an if branch, and there is a lock before the if and an unlock after the if. False positives are due to cases where the if branch represents a case where the function is supposed to exit with the lock held, or where there is some preceding function call that releases the lock. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add locks/double_lock.cocciNicolas Palix2010-08-311-0/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find double locks. False positives may occur when some paths cannot occur at execution, due to the values of variables, and when there is an intervening function call that releases the lock. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add locks/call_kern.cocciNicolas Palix2010-08-311-0/+74
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find functions that refer to GFP_KERNEL but are called with locks held. The proposed change of converting the GFP_KERNEL is not necessarily the correct one. It may be desired to unlock the lock, or to not call the function under the lock in the first place. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Move deref_null.cocci to a more appropriate directoryNicolas Palix2010-08-311-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | deref_null.cocci is moved to the 'null' directory which contains other null related rules. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add null/kmerr.cocciNicolas Palix2010-08-311-0/+72
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This semantic patch looks for kmalloc etc that are not followed by a NULL check. It only gives a report in the case where there is some error handling code later in the function, which may be helpful in determining what the error handling code for the call to kmalloc etc should be. Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Coccinelle: Add null/eno.cocciNicolas Palix2010-08-311-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The various basic memory allocation functions don't return ERR_PTR Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
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