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2007-12-07[AVR32] Add TIF_RESTORE_SIGMASK to the work masksHaavard Skinnemoen
We really need to check TIF_RESTORE_SIGMASK before returning to userspace. The existing code does not necessarily do this. Define the work masks as a bitwise OR of the respective flags instead of a hardcoded hex value to make it easier to spot errors like this in the future. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
2007-12-07[AF_RXRPC]: Add a missing gotoDavid Howells
Add a missing goto to error handling in the RXKAD security module for AF_RXRPC. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-07[SPARC64]: Fix memory controller register access when non-SMP.David S. Miller
get_cpu() always returns zero on non-SMP builds, but we really want the physical cpu number in this code in order to do the right thing. Based upon a non-SMP kernel boot failure report from Bernd Zeimetz. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-07[VLAN]: Lost rtnl_unlock() in vlan_ioctl()Pavel Emelyanov
The SET_VLAN_NAME_TYPE_CMD command w/o CAP_NET_ADMIN capability doesn't release the rtnl lock. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-07[SCTP]: Fix the bind_addr info during migration.Vlad Yasevich
During accept/migrate the code attempts to copy the addresses from the parent endpoint to the new endpoint. However, if the parent was bound to a wildcard address, then we end up pointlessly copying all of the current addresses on the system. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-07[SCTP]: Add bind hash locking to the migrate codeVlad Yasevich
SCTP accept code tries to add a newliy created socket to a bind bucket without holding a lock. On a really busy system, that can causes slab corruptions. Add a lock around this code. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-07[IPV4]: Remove prototype of ip_rt_adviceDenis V. Lunev
ip_rt_advice has been gone, so no need to keep prototype and debug message. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-07[IPv4]: Reply net unreachable ICMP messageMitsuru Chinen
IPv4 stack doesn't reply any ICMP destination unreachable message with net unreachable code when IP detagrams are being discarded because of no route could be found in the forwarding path. Incidentally, IPv6 stack replies such ICMPv6 message in the similar situation. Signed-off-by: Mitsuru Chinen <mitch@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-07leds: Fix led trigger locking bugsRichard Purdie
Convert part of the led trigger core from rw spinlocks to rw semaphores. We're calling functions which can sleep from invalid contexts otherwise. Fixes bug #9264. Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
2007-12-07[IPv6] SNMP: Increment OutNoRoutes when connecting to unreachable networkMitsuru Chinen
IPv6 stack doesn't increment OutNoRoutes counter when IP datagrams is being discarded because no route could be found to transmit them to their destination. IPv6 stack should increment the counter. Incidentally, IPv4 stack increments that counter in such situation. Signed-off-by: Mitsuru Chinen <mitch@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-07[BRIDGE]: Section fix.Andrew Morton
WARNING: vmlinux.o(.init.text+0x204e2): Section mismatch: reference to .exit.text:br_fdb_fini (between 'br_init' and 'br_fdb_init') Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-07[NIU]: Fix link LED handling.Mirko Lindner
The LED in the current driver will not be controlled correctly. During a link change the carrier of the link is not available and the LED will never turn on. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-12-06Merge branch 'merge' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] virtex bug fix: Use canonical value for AC97 interrupt xparams [POWERPC] Update defconfigs [POWERPC] PS3: Update ps3_defconfig [POWERPC] Update iseries_defconfig [POWERPC] Fix hardware IRQ time accounting problem.
2007-12-07[POWERPC] virtex bug fix: Use canonical value for AC97 interrupt xparamsGrant Likely
The ml300 and ml403 xparameters.h files use different macros for the AC97 interrupt pin assignments. This normalizes them to a canonical value similar to what EDK generates for most other devices. This is needed to get ml300 support to compile in arch/ppc. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-12-06Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI: suspend: old debugging hacks sneaked back Freezer: Fix JFFS2 garbage collector freezing issue (rev. 2) HWMON: coretemp, suspend fix Freezer: Fix APM emulation breakage Freezer: Fix s2disk resume from initrd
2007-12-06Pull bugzilla-9345 into release branchLen Brown
2007-12-06Pull apm-freeze-fix into release branchLen Brown
2007-12-06Pull suspend-2.6.24 into release branchLen Brown
2007-12-06ACPI: suspend: old debugging hacks sneaked backPavel Machek
Old debugging hack sneaked back during x86 merge, this removes it. Signed-off-by: Pavel Machek <pavel@suse.cz> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
2007-12-06Merge branch 'for-2.6.24' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc * 'for-2.6.24' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc: [POWERPC] Fix swapper_pg_dir size when CONFIG_PTE_64BIT=y on FSL_BOOKE
2007-12-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6: [PARISC] lba_pci: pci_claim_resources disabled expansion roms [PARISC] print more than one character at a time for pdc console [PARISC] Update parisc-linux MAINTAINERS entries [PARISC] timer interrupt should not be IRQ_DISABLED Revert "[PARISC] import necessary bits of libgcc.a"
2007-12-06[POWERPC] Fix swapper_pg_dir size when CONFIG_PTE_64BIT=y on FSL_BOOKEKumar Gala
The size of swapper_pg_dir is 8k instead of 4k when using 64-bit PTEs (CONFIG_PTE_64BIT). This was reported by Cedric Hombourger <chombourger@gmail.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-12-06Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Oprofile: Fix computation of number of counters. [MIPS] Alchemy: fix IRQ bases [MIPS] Alchemy: replace ffs() with __ffs() [MIPS] BCM1480: Fix interrupt routing, take 2.
2007-12-06Tiny clean-up of OPROFILE/KPROBES configurationLinus Torvalds
Make the Kconfig.instrumentation file a bit easier on the eyes, and use the new ARCH_SUPPORTS_OPROFILE for x86[-64]. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-06[PARISC] lba_pci: pci_claim_resources disabled expansion romsKyle McMartin
radeonfb was HPMC-ing my C8000 by trying to map its expansion rom from IO_VIEW, instead of PA_VIEW. Fix seems to be to ensure that its disabled ROM is properly inserted into the resource tree. FIXME: this will result in a whinging printk for cards which share expansion ROMS, such as a quad tulip. Thankfully, it isn't harmful. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-12-06Fix oprofile configuration breakageRalf Baechle
The cleanup 09cadedbdc01f1a4bea1f427d4fb4642eaa19da9 broke the oprofile configuration for MIPS by allowing oprofile support to be built for kernel models where oprofile doesn't have a chance in hell to work. Just a dependecy list on a number of architectures is - surprise - broken and should as per past discussions probably in most considered to be broken in most cases. So I introduce a dependency for the oprofile configuration on ARCH_SUPPORTS_OPROFILE. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-06[PARISC] print more than one character at a time for pdc consoleKyle McMartin
There's really no reason not to print more than one character at a time to the PDC console... Booting is measurably speedier, and now I don't have to watch individual characters get drawn. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-12-06[PARISC] Update parisc-linux MAINTAINERS entriesKyle McMartin
List changed & reordered so I'm more likely to see patches... Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-12-06[PARISC] timer interrupt should not be IRQ_DISABLEDKyle McMartin
The timer interrupt had accidentally been marked IRQ_DISABLED since IRQ_PER_CPU had been OR-ed in, instead of set. This had been working by accident for quite a while. Commit c642b8391cf8efc3622cc97329a0f46e7cbb70b8 changed the behaviour of IRQ_PER_CPU interrupts, which previously weren't checked for IRQ_DISABLED. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-12-06Revert "[PARISC] import necessary bits of libgcc.a"Kyle McMartin
This reverts commit efb80e7e097d0888e59fbbe4ded2ac5a256f556d, it turned out to cause sporadic problems with the timer interrupt on 32-bit kernels. Needs more investigation. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
2007-12-06[MIPS] Oprofile: Fix computation of number of counters.Ralf Baechle
VSMP kernels will split the available performance counters between the two processors / cores. But don't do this when we're not on a VSMP system ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-12-06[MIPS] Alchemy: fix IRQ basesSergei Shtylyov
Do what the commits commits f3e8d1da389fe2e514e31f6e93c690c8e1243849 and 9d360ab4a7568a8d177280f651a8a772ae52b9b9 failed to achieve -- actually convert the Alchemy code to irq_cpu. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-12-06[MIPS] Alchemy: replace ffs() with __ffs()Sergei Shtylyov
Fix havoc wrought by commit 56f621c7f6f735311eed3f36858b402013023c18 -- au_ffs() and ffs() are equivalent, that patch should have just replaced one with another. Now replace ffs() with __ffs() which returns an unbiased bit number. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-12-06[MIPS] BCM1480: Fix interrupt routing, take 2.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-12-06[POWERPC] Update defconfigsPaul Mackerras
This updates all the defconfigs in arch/powerpc/configs except iseries and ps3, which were updated by the preceding commits. This mostly takes the defaults, except that I turned on tickless idle and high-resolution timers for everything, and turned off instrumentation support and "Fair group CPU scheduler" for the smaller/embedded platforms. Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-12-06[POWERPC] PS3: Update ps3_defconfigGeoff Levand
Update ps3_defconfig. Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-12-06[POWERPC] Update iseries_defconfigStephen Rothwell
The notable changes here are the enabling of NO_HZ and HIGH_RES_TIMERS. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-12-06[POWERPC] Fix hardware IRQ time accounting problem.Tony Breeds
The commit fa13a5a1f25f671d084d8884be96fc48d9b68275 (sched: restore deterministic CPU accounting on powerpc), unconditionally calls update_process_tick() in system context. In the deterministic accounting case this is the correct thing to do. However, in the non-deterministic accounting case we need to not do this, since doing this results in the time accounted as hardware irq time being artificially elevated. Also this collapses 2 consecutive '#ifdef CONFIG_VIRT_CPU_ACCOUNTING' checks in time.h into one for neatness. Signed-off-by: Tony Breeds <tony@bakeyournoodle.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-12-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: futex: correctly return -EFAULT not -EINVAL lockdep: in_range() fix lockdep: fix debug_show_all_locks() sched: style cleanups futex: fix for futex_wait signal stack corruption
2007-12-05Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6: VM/Security: add security hook to do_brk Security: round mmap hint address above mmap_min_addr security: protect from stack expantion into low vm addresses Security: allow capable check to permit mmap or low vm space SELinux: detect dead booleans SELinux: do not clear f_op when removing entries
2007-12-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: [LRO]: fix lro_gen_skb() alignment [TCP]: NAGLE_PUSH seems to be a wrong way around [TCP]: Move prior_in_flight collect to more robust place [TCP] FRTO: Use of existing funcs make code more obvious & robust [IRDA]: Move ircomm_tty_line_info() under #ifdef CONFIG_PROC_FS [ROSE]: Trivial compilation CONFIG_INET=n case [IPVS]: Fix sched registration race when checking for name collision. [IPVS]: Don't leak sysctl tables if the scheduler registration fails.
2007-12-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Update defconfig. [SPARC]: Add missing of_node_put [SPARC64]: check for possible NULL pointer dereference [SPARC]: Add missing "space" [SPARC64]: Add missing "space" [SPARC64]: Add missing pci_dev_put [SYSCTL_CHECK]: Fix typo in KERN_SPARC_SCONS_PWROFF entry string. [SPARC64]: Missing mdesc_release() in ldc_init().
2007-12-05remove nonsense force-casts from ocfs2Al Viro
endianness annotations in networking code had been in place for quite a while; in particular, sin_port and s_addr are annotated as big-endian. Code in ocfs2 had __force casts added apparently to shut the sparse warnings up; of course, these days they only serve to *produce* warnings for no reason whatsoever... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-05regression: bfs endianness bugAl Viro
BFS_FILEBLOCKS() expects struct bfs_inode * (on-disk data, with little- endian fields), not struct bfs_inode_info * (in-core stuff, with host- endian ones). It's a macro and fields with the right names are present in bfs_inode_info, so it compiles, but on big-endian host it gives bogus results. Introduced in commit f433dc56344cb72cc3de5ba0819021cec3aef807 ("Fixes to the BFS filesystem driver"). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-05fcrypt endianness misannotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-05no need to mess with KBUILD_CFLAGS on uml-i386 anymoreAl Viro
Now that X86_32 is provided on Kconfig level for uml-i386, there's no need to play with it explicitly on Makefile level anymore. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-05regression: cifs endianness bugAl Viro
access_flags_to_mode() gets on-the-wire data (little-endian) and treats it as host-endian. Introduced in commit e01b64001359034d04c695388870936ed3d1b56b ("[CIFS] enable get mode from ACL when cifsacl mount option specified") Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-05VM/Security: add security hook to do_brkEric Paris
Given a specifically crafted binary do_brk() can be used to get low pages available in userspace virtual memory and can thus be used to circumvent the mmap_min_addr low memory protection. Add security checks in do_brk(). Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Alan Cox <alan@redhat.com> Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: James Morris <jmorris@namei.org> Cc: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-05SLUB's ksize() fails for size > 2048Vegard Nossum
I can't pass memory allocated by kmalloc() to ksize() if it is allocated by SLUB allocator and size is larger than (I guess) PAGE_SIZE / 2. The error of ksize() seems to be that it does not check if the allocation was made by SLUB or the page allocator. Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi> Tested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Christoph Lameter <clameter@sgi.com>, Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-05proc: fix proc_dir_entry refcountingAlexey Dobriyan
Creating PDEs with refcount 0 and "deleted" flag has problems (see below). Switch to usual scheme: * PDE is created with refcount 1 * every de_get does +1 * every de_put() and remove_proc_entry() do -1 * once refcount reaches 0, PDE is freed. This elegantly fixes at least two following races (both observed) without introducing new locks, without abusing old locks, without spreading lock_kernel(): 1) PDE leak remove_proc_entry de_put ----------------- ------ [refcnt = 1] if (atomic_read(&de->count) == 0) if (atomic_dec_and_test(&de->count)) if (de->deleted) /* also not taken! */ free_proc_entry(de); else de->deleted = 1; [refcount=0, deleted=1] 2) use after free remove_proc_entry de_put ----------------- ------ [refcnt = 1] if (atomic_dec_and_test(&de->count)) if (atomic_read(&de->count) == 0) free_proc_entry(de); /* boom! */ if (de->deleted) free_proc_entry(de); BUG: unable to handle kernel paging request at virtual address 6b6b6b6b printing eip: c10acdda *pdpt = 00000000338f8001 *pde = 0000000000000000 Oops: 0000 [#1] PREEMPT SMP Modules linked in: af_packet ipv6 cpufreq_ondemand loop serio_raw psmouse k8temp hwmon sr_mod cdrom Pid: 23161, comm: cat Not tainted (2.6.24-rc2-8c0863403f109a43d7000b4646da4818220d501f #4) EIP: 0060:[<c10acdda>] EFLAGS: 00210097 CPU: 1 EIP is at strnlen+0x6/0x18 EAX: 6b6b6b6b EBX: 6b6b6b6b ECX: 6b6b6b6b EDX: fffffffe ESI: c128fa3b EDI: f380bf34 EBP: ffffffff ESP: f380be44 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process cat (pid: 23161, ti=f380b000 task=f38f2570 task.ti=f380b000) Stack: c10ac4f0 00000278 c12ce000 f43cd2a8 00000163 00000000 7da86067 00000400 c128fa20 00896b18 f38325a8 c128fe20 ffffffff 00000000 c11f291e 00000400 f75be300 c128fa20 f769c9a0 c10ac779 f380bf34 f7bfee70 c1018e6b f380bf34 Call Trace: [<c10ac4f0>] vsnprintf+0x2ad/0x49b [<c10ac779>] vscnprintf+0x14/0x1f [<c1018e6b>] vprintk+0xc5/0x2f9 [<c10379f1>] handle_fasteoi_irq+0x0/0xab [<c1004f44>] do_IRQ+0x9f/0xb7 [<c117db3b>] preempt_schedule_irq+0x3f/0x5b [<c100264e>] need_resched+0x1f/0x21 [<c10190ba>] printk+0x1b/0x1f [<c107c8ad>] de_put+0x3d/0x50 [<c107c8f8>] proc_delete_inode+0x38/0x41 [<c107c8c0>] proc_delete_inode+0x0/0x41 [<c1066298>] generic_delete_inode+0x5e/0xc6 [<c1065aa9>] iput+0x60/0x62 [<c1063c8e>] d_kill+0x2d/0x46 [<c1063fa9>] dput+0xdc/0xe4 [<c10571a1>] __fput+0xb0/0xcd [<c1054e49>] filp_close+0x48/0x4f [<c1055ee9>] sys_close+0x67/0xa5 [<c10026b6>] sysenter_past_esp+0x5f/0x85 ======================= Code: c9 74 0c f2 ae 74 05 bf 01 00 00 00 4f 89 fa 5f 89 d0 c3 85 c9 57 89 c7 89 d0 74 05 f2 ae 75 01 4f 89 f8 5f c3 89 c1 89 c8 eb 06 <80> 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 c3 90 90 90 57 83 c9 EIP: [<c10acdda>] strnlen+0x6/0x18 SS:ESP 0068:f380be44 Also, remove broken usage of ->deleted from reiserfs: if sget() succeeds, module is already pinned and remove_proc_entry() can't happen => nobody can mark PDE deleted. Dummy proc root in netns code is not marked with refcount 1. AFAICS, we never get it, it's just for proper /proc/net removal. I double checked CLONE_NETNS continues to work. Patch survives many hours of modprobe/rmmod/cat loops without new bugs which can be attributed to refcounting. Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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