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2012-03-27net: fix a potential rcu_read_lock() imbalance in rt6_fill_node()Eric Dumazet
Commit f2c31e32b378 (net: fix NULL dereferences in check_peer_redir() ) added a regression in rt6_fill_node(), leading to rcu_read_lock() imbalance. Thats because NLA_PUT() can make a jump to nla_put_failure label. Fix this by using nla_put() Many thanks to Ben Greear for his help Reported-by: Ben Greear <greearb@candelatech.com> Reported-by: Dave Jones <davej@redhat.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Tested-by: Ben Greear <greearb@candelatech.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-27Merge tag 'asoc-3.4' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into next/boards The asoc branch that was already merged into v3.4 contains some board-level changes that conflict with patches we already have here, so pull in that branch to resolve the conflicts. Conflicts: arch/arm/mach-imx/mach-imx27_visstrim_m10.c arch/arm/mach-omap2/board-omap4panda.c Signed-off-by: Arnd Bergmann <arnd@arndb.de> [olof: Amended fix for mismerge as reported by Kevin Hilman] Signed-off-by: Olof Johansson <olof@lixom.net>
2012-03-25Merge branches 'acorn', 'ebsa110' and 'sa11x0' into platformsRussell King
2012-03-25ARM: 7343/1: sa11x0: convert to sparse IRQRussell King
Now that Neponset, UCB1x00 and SA1111 are all converted to use the IRQ allocation interfaces, we can enable sparse IRQ support for SA11x0 platforms.
2012-03-25ARM: 7342/2: sa1100: prepare for sparse irq conversionRob Herring
In preparation to convert SA1100 to sparse irq, set .nr_irqs for each machine and explicitly include mach/irqs.h as needed. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-25ARM: 7341/1: input: prepare jornada720 keyboard and ts for sa11x0 sparse irqRob Herring
In preparation for sa11x0 sparse irq conversion, explicitly include mach/irqs.h as it will not be included for sparse irq. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-25ARM: 7340/1: rtc: sa1100: include mach/irqs.h instead of asm/irq.hRob Herring
Since asm/irq.h may not include mach/irqs.h, include mach/irqs.h directly. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-25Merge branch 'sa11x0-mcp' into sa11x0Russell King
Conflicts: arch/arm/mach-sa1100/assabet.c arch/arm/mach-sa1100/collie.c arch/arm/mach-sa1100/generic.c arch/arm/mach-sa1100/lart.c arch/arm/mach-sa1100/shannon.c
2012-03-25Merge branch 'sa11x0-lcd' into sa11x0Russell King
Conflicts: arch/arm/mach-sa1100/assabet.c
2012-03-25Merge branch 'sa11x0-mtd' into sa11x0Russell King
2012-03-25ARM: sa11x0: remove unused DMA controller definitionsRussell King
Remove the new unused DMA controller definitions from mach/SA-1100.h. These are now private to the SA-11x0 DMA engine driver and contained within the driver. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-25ARM: sa11x0: remove old SoC private DMA driverRussell King
Now that all users are converted over to using the DMA engine API, we can get rid of the old platform dependent DMA driver. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-25Merge branch 'sa11x0-ir' into sa11x0Russell King
2012-03-25Merge branch 'sa1111' into sa11x0Russell King
Conflicts: arch/arm/common/sa1111.c arch/arm/mach-sa1100/neponset.c Fixed: arch/arm/mach-sa1100/assabet.c for the neponset changes
2012-03-25net: add a truesize parameter to skb_add_rx_frag()Eric Dumazet
skb_add_rx_frag() API is misleading. Network skbs built with this helper can use uncharged kernel memory and eventually stress/crash machine in OOM. Add a 'truesize' parameter and then fix drivers in followup patches. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-25gianfar: Fix possible overrun and simplify interrupt name field creationJoe Perches
Space allocated for int_name_<foo> is insufficient for maximal device name, expand it. Code to create int_name_<foo> is obscure, simplify it by using sprintf. Found by looking for unnecessary \ line continuations. Signed-off-by: Joe Perches <joe@perches.com> Tested-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-25USB: qmi_wwan: Add ZTE (Vodafone) K3570-Z and K3571-Z net interfacesAndrew Bird (Sphere Systems)
Now that we have the beginnings of an OSS method to use the network interfaces on these USB broadband modems, add the ZTE manufactured Vodafone items to the whitelist Signed-off-by: Andrew Bird <ajb@spheresystems.co.uk> Acked-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-25USB: option: Ignore ZTE (Vodafone) K3570/71 net interfacesAndrew Bird (Sphere Systems)
These interfaces need to be handled by QMI/WWAN driver Signed-off-by: Andrew Bird <ajb@spheresystems.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-25USB: qmi_wwan: Add ZTE (Vodafone) K3565-Z and K4505-Z net interfacesAndrew Bird (Sphere Systems)
Now that we have the beginnings of an OSS method to use the network interfaces on these USB broadband modems, add the ZTE manufactured Vodafone items to the whitelist Signed-off-by: Andrew Bird <ajb@spheresystems.co.uk> Acked-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-25um: Update defconfigRichard Weinberger
Enable ext4, cgroups and devtmpfs. Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: Switch to large mcmodel on x86_64Richard Weinberger
x86_64 UML is unable to load modules if more than 504MiB of memory are used. This happens because on x86_64 the UML process has a quite high start address (typically around 0x6000000). If UML's memory is larger than 504MiB VMALLOC_START happens to be after 0x8000000. This is no problem unless one loads a module which was built with R_X86_64_32S relocations. Symbols with a location > 0x8000000 cannot be used with R_X86_64_32S To deal with this x86_64 UML has to be compiled with -mcmodel=large such that no R_X86_64_32S relocations are used. Signed-off-by: Richard Weinberger <richard@nod.at> Reported-by: 전하늘 <allskyee@gmail.com>
2012-03-25MTD: Relax dependenciesRichard Weinberger
CONFIG_GENERIC_IO is just enough for the basic MTD stuff. Signed-off-by: Richard Weinberger <richard@nod.at> Acked-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
2012-03-25um: Wire CONFIG_GENERIC_IO upRichard Weinberger
UML has no io memory but implements everything defined in generic-asm/io.h. Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: Serve io_remap_pfn_range()Richard Weinberger
At some places io_remap_pfn_range() is needed. UML has to serve it like all other archs do. Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25Introduce CONFIG_GENERIC_IORichard Weinberger
There are situations where CONFIG_HAS_IOMEM is too restrictive. For example CONFIG_MTD_NAND_NANDSIM depends on CONFIG_HAS_IOMEM but it works perfectly fine if an architecture without io memory just includes asm-generic/io.h or implements everything defined in it. UML is such a corner case. Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: allow SUBARCH=x86Al Viro
nicked from patch by dwmw2 back in July Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: most of the SUBARCH uses can be killedAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> [richard@nod.at: Re-export SUBARCH in arch/um/Makefile] Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: deadlock in line_write_interrupt()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: don't bother trying to rebuild CHECKFLAGS for USER_OBJSAl Viro
... just strip NOSTDINC_FLAGS out of it for those Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: use the right ifdef around exports in user_syms.cAl Viro
... the same one that controls whether elf_aux.o is included into the build, bringing the vsyscall_e... into it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: a bunch of headers can be killed by using generic-yAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: ptrace-generic.h doesn't need user.hAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: kill HOST_TASK_PIDAl Viro
just provide get_current_pid() to the userland side of things instead of get_current() + manual poking in its results Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: remove pointless include of asm/fixmap.h from asm/pgtable.hAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: asm-offsets.h might as well come from underlying arch...Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: merge processor_{32,64}.h a bit...Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: switch close_chan() to struct lineAl Viro
... and switch chan_interrupt() to directly calling close_one_chan(), so we can lose delay_free_irq argument of close_chan() as well. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: race fix: initialize delayed_work *before* registering IRQAl Viro
... since chan_interrupt() might schedule it if there's too much incoming data. Kill task argument of chan_interrupt(), while we are at it - it's always &line->task. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: line->have_irq is never checked...Al Viro
looks like a half-arsed duplicate of line->enabled Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: chan_init_pri is dead nowAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: switch users of ->chan_list to ->chan_{in,out} (easy cases)Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: sorting out the chan mess, part 1Al Viro
put references to in and out chans associated with line into explicit struct chan * fields in it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: finally kill ->init_str leaksAl Viro
now we can do that... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: get rid of lines_init()Al Viro
move config-independent parts of initialization into register_lines(), call setup_one_line() after it instead of abusing ->init_str. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: switch line.c tty drivers to dynamic device creationAl Viro
Current code doesn't update the symlinks in /sys/dev/char when we add/remove tty lines. Fixing that allows to stop messing with ->valid before the driver registration, which is a Good Thing(tm) - we shouldn't have it set before we really have the things set up and ready for line_open(). We need tty_driver available to call tty_{un,}register_device(), so we just stash a reference to it into struct line_driver. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: fix races between line_open() and line_config()Al Viro
Pull parse_chan_pair() call into setup_one_line(), under the mutex. We really don't want open() to succeed before parse_chan_pair() had been done (or after it has failed, BTW). We also want "remove con<n>" to free irqs, etc., same as "config con<n>=none". Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: convert count_lock to mutex, fix a race in line_open()Al Viro
If two processes are opening the same line, the second to get into line_open() will decide that it doesn't need to do anything (correctly) or wait for anything. The latter, unfortunately, is incorrect - the first opener might not be through yet. We need to have exclusion covering the entire line_init(), including the blocking parts. Moreover, the next patch will need to widen the exclusion on mconsole side of things, also including the blocking bits, so let's just convert that sucker to mutex... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: get rid of the init_prio messAl Viro
make line_setup() act on a separate array of conf strings + default conf, have lines array initialized explicitly by that data, bury LINE_INIT() macro from hell. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: switch line_config() to setup_one_line()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2012-03-25um: switch line_remove() to setup_one_line()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
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