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2009-03-14kallsyms, tracing: output more proper symbol nameLai Jiangshan
Impact: bugfix, output more reliable symbol lookup result Debug tools(dump_stack(), ftrace...) are like to print out symbols. But it is always print out the first aliased symbol.(Aliased symbols are symbols with the same address), and the first aliased symbol is sometime not proper. # echo function_graph > current_tracer # cat trace ...... 1) 1.923 us | select_nohz_load_balancer(); 1) + 76.692 us | } 1) | default_idle() { 1) ==========> | __irqentry_text_start() { 1) 0.000 us | native_apic_mem_write(); 1) | irq_enter() { 1) 0.000 us | idle_cpu(); 1) | tick_check_idle() { 1) 0.000 us | tick_check_oneshot_broadcast(); 1) | tick_nohz_stop_idle() { ...... It's very embarrassing, it ouputs "__irqentry_text_start()", actually, it should output "smp_apic_timer_interrupt()". (these two symbol are the same address, but "__irqentry_text_start" is deemed to the first aliased symbol by scripts/kallsyms) This patch puts symbols like "__irqentry_text_start" to the second aliased symbols. And a more proper symbol name becomes the first. Aliased symbols mostly come from linker script. The solution is guessing "is this symbol defined in linker script", the symbols defined in linker script will not become the first aliased symbol. And if symbols are found to be equal in this "linker script provided" criteria, symbols are sorted by the number of prefix underscores. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Paulo Marques <pmarques@grupopie.com> LKML-Reference: <49BA06E2.7080807@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-13Merge branch 'core/locking' into tracing/ftraceIngo Molnar
2009-03-07kbuild: fix 'make rpm' when CONFIG_LOCALVERSION_AUTO=y and using SCM treeJosh Hunt
Running 'make rpm' fails when CONFIG_LOCALVERSION_AUTO=y and using a kernel source tree under SCM. This is due to KERNELRELEASE being different when the initial make is run and when make is run from rpmbuild. mkspec creates kernel.spec using KERNELRELEASE: <mkspec> echo "%files" echo '%defattr (-, root, root)' echo "%dir /lib/modules" echo "/lib/modules/$KERNELRELEASE" echo "/lib/firmware" echo "/boot/*" echo "" </mkspec> When CONFIG_LOCALVERSION_AUTO=y scripts/setlocalversion is called and grabs any additional version info from SCM. Next, the srctree is tarred up and SCM information is excluded. rpmbuild reruns make and in the process generates a new include/config/kernel.release and thus a new KERNELRELEASE. However this time the SCM information is gone so KERNELRELEASE no longer has the additional version information. When "make modules_install" runs, it uses the new KERNELRELEASE value to determine where to install the modules. This conflicts with where the spec file assumes they are going because of the mis-matching KERNELRELEASE versions. <snippet> + INSTALL_MOD_PATH=/var/tmp/kernel-2.6.29rc4tip01479g5d85422-root + make -j16 modules_install INSTALL crypto/aead.ko INSTALL crypto/cbc.ko INSTALL crypto/chainiv.ko INSTALL crypto/crc32c.ko INSTALL crypto/crypto_algapi.ko INSTALL crypto/crypto_blkcipher.ko INSTALL crypto/crypto_hash.ko INSTALL crypto/cryptomgr.ko INSTALL crypto/ecb.ko INSTALL crypto/eseqiv.ko INSTALL crypto/krng.ko INSTALL crypto/md5.ko INSTALL crypto/pcbc.ko INSTALL crypto/rng.ko INSTALL drivers/block/cciss.ko INSTALL drivers/hid/hid-dummy.ko INSTALL drivers/scsi/iscsi_tcp.ko INSTALL drivers/scsi/libiscsi.ko INSTALL drivers/scsi/libiscsi_tcp.ko INSTALL drivers/scsi/scsi_transport_iscsi.ko INSTALL drivers/scsi/scsi_wait_scan.ko INSTALL fs/lockd/lockd.ko INSTALL fs/nfs/nfs.ko INSTALL fs/nfsd/nfsd.ko INSTALL lib/libcrc32c.ko INSTALL net/sunrpc/sunrpc.ko DEPMOD 2.6.29-rc4-tip + cp arch/x86/boot/bzImage /var/tmp/kernel-2.6.29rc4tip01479g5d85422-root/boot/vmlinuz-2.6.29-rc4-tip-01479-g5d85422 + cp System.map /var/tmp/kernel-2.6.29rc4tip01479g5d85422-root/boot/System.map-2.6.29-rc4-tip-01479-g5d85422 + cp .config /var/tmp/kernel-2.6.29rc4tip01479g5d85422-root/boot/config-2.6.29-rc4-tip-01479-g5d85422 + cp vmlinux vmlinux.orig + bzip2 -9 vmlinux + mv vmlinux.bz2 /var/tmp/kernel-2.6.29rc4tip01479g5d85422-root/boot/vmlinux-2.6.29-rc4-tip-01479-g5d85422.bz2 + mv vmlinux.orig vmlinux + /usr/lib/rpm/brp-compress Processing files: kernel-2.6.29rc4tip01479g5d85422-2 error: File not found: /var/tmp/kernel-2.6.29rc4tip01479g5d85422-root/lib/modules/2.6.29-rc4-tip-01479-g5d85422 RPM build errors: File not found: /var/tmp/kernel-2.6.29rc4tip01479g5d85422-root/lib/modules/2.6.29-rc4-tip-01479-g5d85422 make[1]: *** [rpm] Error 1 make: *** [rpm] Error 2 </snippet> I have tested this patch on git -tip, Linus' git tree, and the kernel.org tar files, both with and without CONFIG_LOCALVERSION_AUTO=y. Signed-off-by: Josh Hunt <josh@scalex86.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> ----
2009-03-07kbuild: fix mkspec to cleanup RPM_BUILD_ROOTJosh Hunt
The contents of the %clean section in mkspec is currently commented out leaving RPM_BUILD_ROOT and its contents on the build machine. This patch removes it once the rpm build process is complete. Signed-off-by: Josh Hunt <josh@scalex86.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-03-07kbuild: fix C libary confusion in unifdef.c due to getline()Justin P. Mattock
This fixes an error when compiling the kernel. CHK include/linux/version.h HOSTCC scripts/unifdef scripts/unifdef.c:209: error: conflicting types for 'getline' /usr/include/stdio.h:651: note: previous declaration of 'getline' was here make[1]: *** [scripts/unifdef] Error 1 make: *** [__headers] Error 2 Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-03-06Merge branch 'x86/core' into tracing/texteditIngo Molnar
Conflicts: arch/x86/Kconfig block/blktrace.c kernel/irq/handle.c Semantic conflict: kernel/trace/blktrace.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-04Merge branches 'x86/apic', 'x86/cpu', 'x86/fixmap', 'x86/mm', 'x86/sched', ↵Ingo Molnar
'x86/setup-lzma', 'x86/signal' and 'x86/urgent' into x86/core
2009-03-02Merge branches 'tracing/ftrace', 'tracing/mmiotrace' and 'linus' into ↵Ingo Molnar
tracing/core
2009-03-01Merge branch 'x86/urgent' into x86/patIngo Molnar
2009-02-27checkpatch: version 0.28Andy Whitcroft
Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27checkpatch: add __ref as a sparse modifierAndy Whitcroft
Add __ref as a sparse modifier. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27checkpatch: extend attribute testing to all modifiersAndy Whitcroft
We should allow testing of all modifiers not just attributes. Extend testing and test for all the know modifiers. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27checkpatch: a modifier is not an identifier at the end of a typeAndy Whitcroft
We must make sure we do not misrecognise a modifier as an Identifier when trying to match types. Prevent us matching this: void * __ref Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27checkpatch: pointer type star may have modifiers followingAndy Whitcroft
We may have any modifier following a pointer type star. Handle this: void * __user * __user foo; Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27checkpatch: correctly handle type spacing in the face of modifiersAndy Whitcroft
We need to handle interspersed modifiers in the middle of pointer types, for example: void * __user * __user bar; Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27checkpatch: do not warn about -p0 patches when checking filesAndy Whitcroft
We are triggering the -p0 check for our own diffs generated using --file command line option. Suppress this check for files. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27checkpatch: make in_atomic ok in the coreAndy Whitcroft
We say that in_atomic() is ok in the core kernel, but then always report it regardless of where in the kernel it is. Keep quiet if it is used in kernel/*. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-22Merge branch 'linus' into x86/apicIngo Molnar
Conflicts: arch/x86/mach-default/setup.c Semantic conflict resolution: arch/x86/kernel/setup.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-20Merge branch 'x86/urgent' into x86/coreIngo Molnar
2009-02-19bzip2/lzma: don't leave empty files around on failureAlain Knaff
Impact: Bugfix, silent build failures Fix a bug in gen_initramfs_list.sh: in case of failure, it left an empty output file behind, messing up the next make. Signed-off-by: Alain Knaff <alain@knaff.lu> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2009-02-19Merge branch 'linus' into tracing/blktraceIngo Molnar
Conflicts: block/blktrace.c Semantic merge: kernel/trace/blktrace.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixesLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: kbuild: create the source symlink earlier in the objdir scripts: add x86 64 bit support to the markup_oops.pl script scripts: add x86 register parser to markup_oops.pl kbuild: add sys_* entries for syscalls in tags kbuild: fix tags generation of config symbols bootgraph: fix for use with dot symbols kbuild: add vmlinux to kernel rpm kbuild,setlocalversion: shorten the make time when using svn
2009-02-17HID: fix bus endianity in file2aliasJiri Slaby
Fix endianness of bus member of hid_device_id in modpost. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Reported-by: Nye Liu <nyet@mrv.com> Cc: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-02-15scripts: add x86 64 bit support to the markup_oops.pl scriptArjan van de Ven
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-02-15scripts: add x86 register parser to markup_oops.plArjan van de Ven
An oops dump also contains the register values. This patch parses these for (32 bit) x86, and then annotates the disassembly with these values; this helps in analysis of the oops by the developer, for example, NULL pointer or other pointer bugs show up clearly this way. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-02-15kbuild: add sys_* entries for syscalls in tagsRabin Vincent
Currently, it is no longer possible to use the tags file to jump to system call function definitions with sys_foo, because the definitions are obscured by use of the SYSCALL_DEFINE* macros. This patch adds the appropriate option to ctags to make it see through the macro. Also, it adds the ENTRY() work already done for Exuberant to Emacs too. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-02-15kbuild: fix tags generation of config symbolsAlexey Dobriyan
commit 4f628248a578585472e19e4cba2c604643af8c6c aka "kbuild: reintroduce ALLSOURCE_ARCHS support for tags/cscope" breaks tags generation for Kconfig symbols. Steps to reproduce: make tags vi -t PROC_FS It should jump to 'config PROC_FS' line. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Tested-by: Pete Wyckoff <pw@padd.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-02-15bootgraph: fix for use with dot symbolsMichael Neuling
powerpc has dot symbols, so the dmesg output looks like: <4>[ 0.327310] calling .migration_init+0x0/0x9c @ 1 <4>[ 0.327595] initcall .migration_init+0x0/0x9c returned 1 after 0 usecs The below fixes bootgraph.pl so it handles this correctly. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-02-15kbuild: add vmlinux to kernel rpmJosh Hunt
We are building an automated system to test kernels weekly and need to provide an rpm to our QA dept. We would like to use the ability to create kernel rpms already in the kernel's Makefile, but need the vmlinux file included in the rpm for later debugging. This patch adds a compressed vmlinux to the kernel rpm when doing a make rpm-pkg or binrpm-pkg and upon install places the vmlinux file in /boot. Signed-off-by: Josh Hunt <josh@scalex86.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-02-15kbuild,setlocalversion: shorten the make time when using svnMike Frysinger
Don't bother doing `svn st` as it takes a retarded amount of time when the source is cold Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-02-13Merge branch 'core/header-fixes' into x86/headersIngo Molnar
Conflicts: arch/x86/include/asm/setup.h
2009-02-13Merge branches 'tracing/ftrace', 'tracing/ring-buffer', 'tracing/sysprof', ↵Ingo Molnar
'tracing/urgent' and 'linus' into tracing/core
2009-02-13Merge branch 'core/percpu' into x86/coreIngo Molnar
2009-02-11kernel-doc: fix syscall wrapper processingRandy Dunlap
Fix kernel-doc processing of SYSCALL wrappers. The SYSCALL wrapper patches played havoc with kernel-doc for syscalls. Syscalls that were scanned for DocBook processing reported warnings like this one, for sys_tgkill: Warning(kernel/signal.c:2285): No description found for parameter 'tgkill' Warning(kernel/signal.c:2285): No description found for parameter 'pid_t' Warning(kernel/signal.c:2285): No description found for parameter 'int' because the macro parameters all "look like" function parameters, although they are not: /** * sys_tgkill - send signal to one specific thread * @tgid: the thread group ID of the thread * @pid: the PID of the thread * @sig: signal to be sent * * This syscall also checks the @tgid and returns -ESRCH even if the PID * exists but it's not belonging to the target process anymore. This * method solves the problem of threads exiting and PIDs getting reused. */ SYSCALL_DEFINE3(tgkill, pid_t, tgid, pid_t, pid, int, sig) { ... This patch special-cases the handling SYSCALL_DEFINE* function prototypes by expanding them to long sys_foobar(type1 arg1, type1 arg2, ...) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-11stackprotector: fix multi-word cross-buildsIngo Molnar
Stackprotector builds were failing if CROSS_COMPILER was more than a single world (such as when distcc was used) - because the check scripts used $1 instead of $*. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-10x86: implement x86_32 stack protectorTejun Heo
Impact: stack protector for x86_32 Implement stack protector for x86_32. GDT entry 28 is used for it. It's set to point to stack_canary-20 and have the length of 24 bytes. CONFIG_CC_STACKPROTECTOR turns off CONFIG_X86_32_LAZY_GS and sets %gs to the stack canary segment on entry. As %gs is otherwise unused by the kernel, the canary can be anywhere. It's defined as a percpu variable. x86_32 exception handlers take register frame on stack directly as struct pt_regs. With -fstack-protector turned on, gcc copies the whole structure after the stack canary and (of course) doesn't copy back on return thus losing all changed. For now, -fno-stack-protector is added to all files which contain those functions. We definitely need something better. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-10stackprotector: update make rulesTejun Heo
Impact: no default -fno-stack-protector if stackp is enabled, cleanup Stackprotector make rules had the following problems. * cc support test and warning are scattered across makefile and kernel/panic.c. * -fno-stack-protector was always added regardless of configuration. Update such that cc support test and warning are contained in makefile and -fno-stack-protector is added iff stackp is turned off. While at it, prepare for 32bit support. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-05modpost: NOBITS sections may point beyond the end of the fileTejun Heo
Impact: fix link failure on certain toolchains with specific configs Recent percpu change made x86_64 split .data.init section into three separate segments - data.init, percpu and data.init2. data.init2 gets .data.nosave and .bss.* and is followed by .notes segment. Depending on configuration both segments might contain no data, in which case the tool chain makes the section header to contain offset beyond the end of the file. modpost isn't too happy about it and fails build - as reported by Pawel Dziekonski: Building modules, stage 2. MODPOST 416 modules FATAL: vmlinux is truncated. sechdrs[i].sh_offset=10354688 > sizeof(*hrd)=64 make[1]: *** [__modpost] Error 1 Teach modpost that NOBITS section may point beyond the end of the file and that .modinfo can't be NOBITS. Reported-by: Pawel Dziekonski <dzieko@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-03Merge branches 'tracing/ftrace', 'tracing/kmemtrace' and 'linus' into ↵Ingo Molnar
tracing/core
2009-01-31kbuild: drop check for CONFIG_ in headers_checkSam Ravnborg
The check for references to CONFIG_ symbols in exported headers turned out to be too agressive with the current state of affairs. After the work of Jaswinder to clean up all relevant cases we are down to almost pure noise. So lets drop the check for now - we can always add it back later should our headers be ready for that. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixesLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: kbuild: fix kbuild.txt typos kbuild: print usage with no arguments in scripts/config Revert "kbuild: strip generated symbols from *.ko"
2009-01-20PNP: fix broken pnp lowercasing for acpi module aliasesKay Sievers
Based on a patch from Brian, who identified the issue. Signed-off-by: Bryan Kadzban <bryan@kadzban.is-a-geek.net> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-18ftrace: test for running of recordmcount.pl twice on an objectSteven Rostedt
Impact: fix failure of dynamic function tracer selftest In a course of development, a developer does several makes on their kernel. Sometimes, the make might do something abnormal. In the case of running the recordmcount.pl script on an object twice, the script will duplicate all the calls to mcount in the __mcount_loc section. On boot up, the dynamic function tracer is careful when it modifies code, and performs several consistency checks. One is to not modify the call site if it is not what it expects it to be. If a function call site is listed twice, the first entry will convert the site to a nop, and the second will fail because it expected to see a call to mcount, but instead it sees a nop. Thus, the function tracer is disabled. Eric Sesterhenn reported seeing: [ 1.055440] ftrace: converting mcount calls to 0f 1f 44 00 00 [ 1.055568] ftrace: allocating 29418 entries in 116 pages [ 1.061000] ------------[ cut here ]------------ [ 1.061000] WARNING: at kernel/trace/ftrace.c:441 [...] [ 1.060000] ---[ end trace 4eaa2a86a8e2da23 ]--- [ 1.060000] ftrace failed to modify [<c0118072>] check_corruption+0x3/0x2d [ 1.060000] actual: 0f:1f:44:00:00 This warning shows that check_corruption+0x3 already had a nop in its place (0x0f1f440000). After compiling another kernel the problem went away. Later Eric Paris notice the same type of issue. Luckily, he saved the vmlinux file that caused it. In the file we found a bunch of duplicate mcount call site records, which lead us to the script. Perhaps this problem only happens to people named Eric. This patch changes the script to test if the __mcount_loc already exists in the object file, and if it does, it will print out an error message and kill the compile. Reported-by: Eric Sesterhenn <snakebyte@gmx.de> Reported-by: Eric Paris <eparis@redhat.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-18Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc2' into tracing/coreIngo Molnar
2009-01-15checkpatch: version: 0.27Andy Whitcroft
Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-15checkpatch: struct seq_operations should normally be constAndy Whitcroft
In the general use case struct seq_operations should be a const object. Check for and warn where it is not. Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-15checkpatch: if should not continue a preceeding braceAndy Whitcroft
We should not be continuing a braced section with an if, for example: if (...) { } if (...) { } Detect this and suggest adding a newline. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-15checkpatch: allow parentheses on return handle array valuesAndy Whitcroft
When we allow return to have surrounding parentheses when containing comparison operators we are not correctly handling the case where the values contain array sufffixes. Squash them. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-15checkpatch: type/cast spacing should not check prefix spacingAndy Whitcroft
We should not be complaining about the prefix spacing for types and casts. We are triggering here because the check for spacing between '*'s is overly loose. Tighten this up. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-15checkpatch: handle missing #if open in contextAndy Whitcroft
If the #if opening statement is not in the context then the context stack can be empty. Handle this by ensuring there is always a blank entry in the stack. Signed-off-by: Andy Whitcroft <apw@canonical.com> Tested-by: Dhaval Giani <dhaval@linux.vnet.ibm.com> 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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