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2009-01-30MIPS: SMTC: Fix build after recent creditial changes.Ralf Baechle1-1/+2
Signed-off-by: Ralf Baechle <[email protected]>
2009-01-21Merge branch 'x86/mm' into core/percpuIngo Molnar1-1/+1
Conflicts: arch/x86/mm/fault.c
2009-01-15Merge branches 'cpus4096', 'x86/cleanups' and 'x86/urgent' into x86/percpuIngo Molnar2-3/+5
2009-01-15irq: update all arches for new irq_desc, fixMike Travis1-1/+3
Impact: fix build errors Since the SPARSE IRQS changes redefined how the kstat irqs are organized, arch's must use the new accessor function: kstat_incr_irqs_this_cpu(irq, DESC); If CONFIG_SPARSE_IRQS is set, then DESC is a pointer to the irq_desc which has a pointer to the kstat_irqs. If not, then the .irqs field of struct kernel_stat is used instead. Signed-off-by: Mike Travis <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2009-01-14[CVE-2009-0029] Rename old_readdir to sys_old_readdirHeiko Carstens1-1/+1
This way it matches the generic system call name convention. Signed-off-by: Heiko Carstens <[email protected]>
2009-01-12irq: update all arches for new irq_descMike Travis2-2/+2
Impact: cleanup, update to new cpumask API Irq_desc.affinity and irq_desc.pending_mask are now cpumask_var_t's so access to them should be using the new cpumask API. Signed-off-by: Mike Travis <[email protected]>
2009-01-12sparseirq: use kstat_irqs_cpu on non-x86 architectures tooYinghai Lu1-1/+1
so we could move kstat_irqs array to irq_desc struct. Signed-off-by: Yinghai Lu <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2009-01-11sparseirq: use kstat_irqs_cpu insteadYinghai Lu1-1/+1
Impact: build fix Ingo Molnar wrote: > tip/arch/blackfin/kernel/irqchip.c: In function 'show_interrupts': > tip/arch/blackfin/kernel/irqchip.c:85: error: 'struct kernel_stat' has no member named 'irqs' > make[2]: *** [arch/blackfin/kernel/irqchip.o] Error 1 > make[2]: *** Waiting for unfinished jobs.... > So could move kstat_irqs array to irq_desc struct. (s390, m68k, sparc) are not touched yet, because they don't support genirq Signed-off-by: Yinghai Lu <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2009-01-11MIPS: Alchemy: RTC counter clocksource / clockevent support.Manuel Lauss1-2/+4
Add support for the 32 kHz counter1 (RTC) as clocksource / clockevent device. As a nice side effect, this also enables use of the 'wait' instruction for runtime idle power savings. If the counters aren't enabled/working properly, fall back on the cp0 counter clock code. Signed-off-by: Manuel Lauss <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2009-01-11MIPS: make cp0 counter clocksource/event usable as fallback.Manuel Lauss3-4/+4
The current mips clock build infrastructure lets a system only use either the MIPS cp0 counter or a SoC specific timer as a clocksource / clockevent device. This patch renames the core cp0 counter clocksource / clockevent functions from mips_* to r4k_* and updates the wrappers in asm-mips/time.h to call these renamed functions instead. Chips which can detect whether it is safe to use a chip-specific timer can now fall back on the cp0 counter if necessary and possible (e.g. Alchemy with a follow-on patch). Existing behaviour is not changed in any way. Signed-off-by: Manuel Lauss <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2009-01-11MIPS: Print irq handler descriptionManuel Lauss1-0/+1
Add the name set by set_irq_chip_and_handler_name() to the output of /proc/interrupts, like so: db1200 ~ # cat /proc/interrupts CPU0 8: 52 Alchemy-IC0-hilevel serial 10: 171 Alchemy-IC0-hilevel au1xxx-mmc 11: 47 Alchemy-IC0-hilevel Au1xxx dbdma 18: 1 Alchemy-IC0-hilevel au1550-spi 29: 1250997 Alchemy-IC0-riseedge timer 37: 211 Alchemy-IC0-hilevel ehci_hcd:usb1, ohci_hcd:usb2 38: 0 Alchemy-IC0-hilevel lcd 72: 2623 DB1200 CPLD-level ide0 73: 257 DB1200 CPLD-level eth0 84: 1 DB1200 CPLD-level sd_insert 85: 0 DB1200 CPLD-level sd_eject ERR: 0 Signed-off-by: Manuel Lauss <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2009-01-11MIPS: Compute branch returns for Cavium OCTEON specific branch instructions.David Daney1-0/+33
For Cavium OCTEON, compute the return epc value for OCTEON specific branch instructions. Signed-off-by: Tomaso Paoletti <[email protected]> Signed-off-by: David Daney <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2009-01-11MIPS: Add Cavium OCTEON specific registers to ptrace.h and asm-offsets.cDavid Daney1-0/+31
Signed-off-by: David Daney <[email protected]> Signed-off-by: Tomaso Paoletti <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2009-01-11MIPS: Hook up Cavium OCTEON in arch/mips.David Daney1-0/+1
Take all the OCTEON specific files that were added, and hook them into the build system for the arch/mips. For versions of GCC that lack OCTEON support, override gas target architecture. Signed-off-by: Tomaso Paoletti <[email protected]> Signed-off-by: David Daney <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2009-01-11MIPS: Add Cavium OCTEON processor constants and CPU probe.David Daney1-0/+25
Add OCTEON constants to asm/cpu.h and asm/module.h. Add probe function for Cavium OCTEON CPUs and hook it up. Signed-off-by: Tomaso Paoletti <[email protected]> Signed-off-by: David Daney <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2009-01-11MIPS: Override assembler target architecture for octeon.David Daney1-0/+4
Gas from binutils 2.19 fails to compile some cop1 instructions with -march=octeon. Since the cop1 instructions are present in mips1, use that arch instead. This will be fixed in binutils 2.20. Signed-off-by: David Daney <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2009-01-11MIPS: For Cavium OCTEON set hwrena and lazily restore CP2 state.David Daney1-0/+21
If on Cavium, be aware of cop2 and hwrena during do_cpu(). Signed-off-by: Tomaso Paoletti <[email protected]> Signed-off-by: Paul Gortmaker <[email protected]> Signed-off-by: David Daney <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2009-01-11MIPS: Add Cavium OCTEON processor support files to arch/mips/cavium-octeon.David Daney1-0/+506
These are the rest of the new files needed to add OCTEON processor support to the Linux kernel. Other than Makefile and Kconfig which should be obvious, we have: csrc-octeon.c -- Clock source driver for OCTEON. dma-octeon.c -- Helper functions for mapping DMA memory. flash_setup.c -- Register on-board flash with the MTD subsystem. octeon-irq.c -- OCTEON interrupt controller managment. octeon-memcpy.S -- Optimized memcpy() implementation. serial.c -- Register 8250 platform driver and early console. setup.c -- Early architecture initialization. smp.c -- OCTEON SMP support. octeon_switch.S -- Scheduler context switch for OCTEON. c-octeon.c -- OCTEON cache controller support. cex-oct.S -- OCTEON cache exception handler. asm/mach-cavium-octeon/*.h -- Architecture include files. Signed-off-by: Tomaso Paoletti <[email protected]> Signed-off-by: David Daney <[email protected]> Signed-off-by: Ralf Baechle <[email protected]> create mode 100644 arch/mips/cavium-octeon/Kconfig create mode 100644 arch/mips/cavium-octeon/Makefile create mode 100644 arch/mips/cavium-octeon/csrc-octeon.c create mode 100644 arch/mips/cavium-octeon/dma-octeon.c create mode 100644 arch/mips/cavium-octeon/flash_setup.c create mode 100644 arch/mips/cavium-octeon/octeon-irq.c create mode 100644 arch/mips/cavium-octeon/octeon-memcpy.S create mode 100644 arch/mips/cavium-octeon/serial.c create mode 100644 arch/mips/cavium-octeon/setup.c create mode 100644 arch/mips/cavium-octeon/smp.c create mode 100644 arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h create mode 100644 arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h create mode 100644 arch/mips/include/asm/mach-cavium-octeon/irq.h create mode 100644 arch/mips/include/asm/mach-cavium-octeon/kernel-entry-init.h create mode 100644 arch/mips/include/asm/mach-cavium-octeon/war.h create mode 100644 arch/mips/include/asm/octeon/octeon.h create mode 100644 arch/mips/kernel/octeon_switch.S create mode 100644 arch/mips/mm/c-octeon.c create mode 100644 arch/mips/mm/cex-oct.S
2009-01-11MIPS: 64-bit: Use generic 32-bit ptrace compat code.Anirban Sinha1-63/+1
Signed-off-by: Anirban Sinha <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2009-01-07Merge branch 'proc-linus' of ↵Linus Torvalds1-6/+18
git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc * 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc: proc: remove write-only variable in proc_pident_lookup() proc: fix sparse warning proc: add /proc/*/stack proc: remove '##' usage proc: remove useless WARN_ONs proc: stop using BKL
2009-01-06mips: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers1-1/+1
Cc: Ralf Baechle <[email protected]> Signed-off-by: Kay Sievers <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-01-05proc: add /proc/*/stackKen Chen1-6/+18
/proc/*/stack adds the ability to query a task's stack trace. It is more useful than /proc/*/wchan as it provides full stack trace instead of single depth. Example output: $ cat /proc/self/stack [<c010a271>] save_stack_trace_tsk+0x17/0x35 [<c01827b4>] proc_pid_stack+0x4a/0x76 [<c018312d>] proc_single_show+0x4a/0x5e [<c016bdec>] seq_read+0xf3/0x29f [<c015a004>] vfs_read+0x6d/0x91 [<c015a0c1>] sys_read+0x3b/0x60 [<c0102eda>] syscall_call+0x7/0xb [<ffffffff>] 0xffffffff [add save_stack_trace_tsk() on mips, ACK Ralf --adobriyan] Signed-off-by: Ken Chen <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Alexey Dobriyan <[email protected]>
2009-01-02Merge branch 'cpus4096-for-linus-2' of ↵Linus Torvalds13-26/+21
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits) x86: export vector_used_by_percpu_irq x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and() sched: nominate preferred wakeup cpu, fix x86: fix lguest used_vectors breakage, -v2 x86: fix warning in arch/x86/kernel/io_apic.c sched: fix warning in kernel/sched.c sched: move test_sd_parent() to an SMP section of sched.h sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0 sched: activate active load balancing in new idle cpus sched: bias task wakeups to preferred semi-idle packages sched: nominate preferred wakeup cpu sched: favour lower logical cpu number for sched_mc balance sched: framework for sched_mc/smt_power_savings=N sched: convert BALANCE_FOR_xx_POWER to inline functions x86: use possible_cpus=NUM to extend the possible cpus allowed x86: fix cpu_mask_to_apicid_and to include cpu_online_mask x86: update io_apic.c to the new cpumask code x86: Introduce topology_core_cpumask()/topology_thread_cpumask() x86: xen: use smp_call_function_many() x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c ... Fixed up trivial conflict in kernel/time/tick-sched.c manually
2008-12-31take init_fs to saner placeAl Viro1-1/+0
Signed-off-by: Al Viro <[email protected]>
2008-12-25Merge branch 'next' into for-linusJames Morris3-6/+7
2008-12-13cpumask: convert struct clock_event_device to cpumask pointers.Rusty Russell8-8/+8
Impact: change calling convention of existing clock_event APIs struct clock_event_timer's cpumask field gets changed to take pointer, as does the ->broadcast function. Another single-patch change. For safety, we BUG_ON() in clockevents_register_device() if it's not set. Signed-off-by: Rusty Russell <[email protected]> Cc: Ingo Molnar <[email protected]>
2008-12-13cpumask: make irq_set_affinity() take a const struct cpumaskRusty Russell3-5/+5
Impact: change existing irq_chip API Not much point with gentle transition here: the struct irq_chip's setaffinity method signature needs to change. Fortunately, not widely used code, but hits a few architectures. Note: In irq_select_affinity() I save a temporary in by mangling irq_desc[irq].affinity directly. Ingo, does this break anything? (Folded in fix from KOSAKI Motohiro) Signed-off-by: Rusty Russell <[email protected]> Signed-off-by: Mike Travis <[email protected]> Reviewed-by: Grant Grundler <[email protected]> Acked-by: Ingo Molnar <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: KOSAKI Motohiro <[email protected]>
2008-12-13cpumask: change cpumask_scnprintf, cpumask_parse_user, cpulist_parse, and ↵Rusty Russell1-2/+2
cpulist_scnprintf to take pointers. Impact: change calling convention of existing cpumask APIs Most cpumask functions started with cpus_: these have been replaced by cpumask_ ones which take struct cpumask pointers as expected. These four functions don't have good replacement names; fortunately they're rarely used, so we just change them over. Signed-off-by: Rusty Russell <[email protected]> Signed-off-by: Mike Travis <[email protected]> Acked-by: Ingo Molnar <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: Greg Kroah-Hartman <[email protected]> Cc: [email protected] Cc: [email protected]
2008-12-13cpumask: centralize cpu_online_map and cpu_possible_mapRusty Russell4-11/+6
Impact: cleanup Each SMP arch defines these themselves. Move them to a central location. Twists: 1) Some archs (m32, parisc, s390) set possible_map to all 1, so we add a CONFIG_INIT_ALL_POSSIBLE for this rather than break them. 2) mips and sparc32 '#define cpu_possible_map phys_cpu_present_map'. Those archs simply have phys_cpu_present_map replaced everywhere. 3) Alpha defined cpu_possible_map to cpu_present_map; this is tricky so I just manipulate them both in sync. 4) IA64, cris and m32r have gratuitous 'extern cpumask_t cpu_possible_map' declarations. Signed-off-by: Rusty Russell <[email protected]> Reviewed-by: Grant Grundler <[email protected]> Tested-by: Tony Luck <[email protected]> Acked-by: Ingo Molnar <[email protected]> Cc: Mike Travis <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected]
2008-12-05MIPS: Fix incorrect use of loose in vpe.cNick Andrew1-1/+1
It should be 'lose', not 'loose'. Signed-off-by: Nick Andrew <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-12-04MIPS: Return ENOSYS from sys32_syscall on 64bit kernels like elsewhere.David Daney1-1/+1
When the o32 errno was changed to ENOSYS, we forgot to update the code for 64bit kernels. Signed-off-by: David Daney <[email protected]> Acked-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-12-04MIPS: 64-bit: vmsplice needs to use the compat wrapper for o32 and N32.Ralf Baechle2-2/+2
Signed-off-by: Ralf Baechle <[email protected]>
2008-12-04MIPS: o32: Fix number of arguments to splice(2).Ralf Baechle1-1/+1
The syscall code was assuming splice only takes 4 arguments so no stack arguments were being copied from the userspace stack to the kernel stack. As the result splice was likely to fail with EINVAL. Signed-off-by: Ralf Baechle <[email protected]>
2008-12-04MIPS: Fix potential DOS by untrusted user app.Vlad Malov2-11/+6
On a 64 bit kernel if an o32 syscall was made with a syscall number less than 4000, we would read the function from outside of the bounds of the syscall table. This led to non-deterministic behavior including system crashes. While we were at it we reworked the 32 bit version as well to use fewer instructions. Both 32 and 64 bit versions are use the same code now. Signed-off-by: Vlad Malov <[email protected]> Signed-off-by: David Daney <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-12-04Merge branch 'master' into nextJames Morris1-1/+1
Conflicts: fs/nfsd/nfs4recover.c Manually fixed above to use new creds API functions, e.g. nfs4_save_creds(). Signed-off-by: James Morris <[email protected]>
2008-11-20MIPS: csrc-r4k: Fix spelling mistake.Ralf Baechle1-1/+1
Signed-off-by: Ralf Baechle <[email protected]>
2008-11-14CRED: Use creds in file structsDavid Howells1-2/+2
Attach creds to file structs and discard f_uid/f_gid. file_operations::open() methods (such as hppfs_open()) should use file->f_cred rather than current_cred(). At the moment file->f_cred will be current_cred() at this point. Signed-off-by: David Howells <[email protected]> Reviewed-by: James Morris <[email protected]> Signed-off-by: James Morris <[email protected]>
2008-11-14CRED: Separate task security context from task_structDavid Howells1-2/+2
Separate the task security context from task_struct. At this point, the security data is temporarily embedded in the task_struct with two pointers pointing to it. Note that the Alpha arch is altered as it refers to (E)UID and (E)GID in entry.S via asm-offsets. With comment fixes Signed-off-by: Marc Dionne <[email protected]> Signed-off-by: David Howells <[email protected]> Acked-by: James Morris <[email protected]> Acked-by: Serge Hallyn <[email protected]> Signed-off-by: James Morris <[email protected]>
2008-11-14CRED: Wrap task credential accesses in the MIPS archDavid Howells1-2/+3
Wrap access to task credentials so that they can be separated more easily from the task_struct during the introduction of COW creds. Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id(). Change some task->e?[ug]id to task_e?[ug]id(). In some places it makes more sense to use RCU directly rather than a convenient wrapper; these will be addressed by later patches. Signed-off-by: David Howells <[email protected]> Reviewed-by: James Morris <[email protected]> Acked-by: Serge Hallyn <[email protected]> Acked-by: Ralf Baechle <[email protected]> Cc: [email protected] Signed-off-by: James Morris <[email protected]>
2008-10-30MIPS: Sort out CPU type to name translation.Ralf Baechle1-127/+98
As noticed by David Daney <[email protected]>, the old long switch statement did not comply with the Linux C coding style. It was also yet another place of code to be changed when adding a new processor type leading to annoying bugs for example in /proc/cpuinfo. Fixed by moving the setting of the CPU type string into the core of the probing code and a few BUG_ON() test to ensure the CPU probing code indeed did its job and removing multiple now redundant tests. Signed-off-by: Ralf Baechle <[email protected]>
2008-10-30MIPS: Probe for watch registers on cores of all vendors, not just MTI.Ralf Baechle1-10/+12
Signed-off-by: Ralf Baechle <[email protected]> Acked-by: David Daney <[email protected]>
2008-10-30MIPS: Switch FPU emulator trap to BREAK instruction.Ralf Baechle2-12/+16
Arguably using the address error handler has always been ugly. But with processors that handle unaligned loads and stores in hardware the current mechanism ceases to work so switch it to a BREAK instruction and allocate break code 514 to the FPU emulator. Yoichi Yuasa provided a build fix for CONFIG_BUG=n. Signed-off-by: Ralf Baechle <[email protected]> Signed-off-by: Yoichi Yuasa <[email protected]>
2008-10-30MIPS: SMP: Do not initialize __cpu_number_map/__cpu_logical_map for CPU 0.Ralf Baechle1-6/+0
A system isn't necessarily booted on physical processor 0 as this code assumes. Also the array happens to be allocated in .bss so it's zero initialized anyway. Systems which need to override this can do so in their mp_ops->smp_setup() method. Signed-off-by: Ralf Baechle <[email protected]>
2008-10-30MIPS: Consider value of c0_ebase when computing value of exception base.David Daney1-4/+9
It just so happens to be zero on all currently supported systems so this hasn't bitten yet ... [Ralf: Original patch from Cavium; handling of set_uncached_handler() and de-ifdef'ed trap_init() implementation by me.] Signed-off-by: Tomaso Paoletti <[email protected]> Signed-off-by: David Daney <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-27MIPS: Add CONFIG_CPU_R5500 for NEC VR5500 series processorsShinya Kuribayashi1-0/+1
We already have sufficient infrastructure to support VR5500 and VR5500A series processors. Here's a Makefile support to make it selectable by ports, and enable it for NEC EMMA2RH Markeins board. This patch also fixes a confused target help, and adds 1Gb PageMask bits supported by VR5500 and its variants. Signed-off-by: Shinya Kuribayashi <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-27MIPS: Set ENOSYS to errno on illegal system call number for syscall(2)Atsushi Nemoto1-1/+1
Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-27MIPS: Set positive error number to errno on illegal_syscallAtsushi Nemoto2-2/+2
Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-27MIPS: SMP: Don't reenable interrupts in stop_this_cpu; use WAIT instruction.Ralf Baechle1-2/+4
Noticed by Anirban Sinha <[email protected]>; patch by me. Signed-off-by: Ralf Baechle <[email protected]>
2008-10-27MIPS: Fix debugfs_create_*'s error checking method for mips/kernel/Zhaolei2-6/+6
debugfs_create_*() returns NULL on error. Make its callers return -ENODEV on error. Signed-off-by: Zhao Lei <[email protected]> Acked-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6Linus Torvalds1-2/+2
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (46 commits) UIO: Fix mapping of logical and virtual memory UIO: add automata sercos3 pci card support UIO: Change driver name of uio_pdrv UIO: Add alignment warnings for uio-mem Driver core: add bus_sort_breadthfirst() function NET: convert the phy_device file to use bus_find_device_by_name kobject: Cleanup kobject_rename and !CONFIG_SYSFS kobject: Fix kobject_rename and !CONFIG_SYSFS sysfs: Make dir and name args to sysfs_notify() const platform: add new device registration helper sysfs: use ilookup5() instead of ilookup5_nowait() PNP: create device attributes via default device attributes Driver core: make bus_find_device_by_name() more robust usb: turn dev_warn+WARN_ON combos into dev_WARN debug: use dev_WARN() rather than WARN_ON() in device_pm_add() debug: Introduce a dev_WARN() function sysfs: fix deadlock device model: Do a quickcheck for driver binding before doing an expensive check Driver core: Fix cleanup in device_create_vargs(). Driver core: Clarify device cleanup. ...
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