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* [RFKILL]: Make rfkill->name constIvo van Doorn2007-06-071-1/+1
| | | | | | | | | The rfkill name can be made const safely, this makes the compiler happy when drivers make it point to some const string used elsewhere. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Restore old behaviour of default config valuesHerbert Xu2007-06-073-16/+24
| | | | | | | | | | | | | | | | | Previously inet devices were only constructed when addresses are added (or rarely in ipmr). Therefore the default config values they get are the ones at the time of these operations. Now that we're creating inet devices earlier, this changes the behaviour of default config values in an incompatible way (see bug #8519). This patch creates a compromise by setting the default values at the same point as before but only for those that have not been explicitly set by the user since the inet device's creation. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Add default config support after inetdev_initHerbert Xu2007-06-072-35/+101
| | | | | | | | | | | | | | | | | | | | | | Previously once inetdev_init has been called on a device any changes made to ipv4_devconf_dflt would have no effect on that device's configuration. This creates a problem since we have moved the point where inetdev_init is called from when an address is added to where the device is registered. This patch is the first half of a set that tries to mimic the old behaviour while still calling inetdev_init. It propagates any changes to ipv4_devconf_dflt to those devices that have not had the corresponding attribute set. The next patch will forcibly set all values at the point where inetdev_init was previously called. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Convert IPv4 devconf to an arrayHerbert Xu2007-06-079-260/+163
| | | | | | | | | This patch converts the ipv4_devconf config members (everything except sysctl) to an array. This allows easier manipulation which will be needed later on to provide better management of default config values. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Only panic if inetdev_init fails for loopbackHerbert Xu2007-06-071-2/+3
| | | | | | | | | | When I made the inetdev_init call work on all devices I incorrectly left in the panic call as well. It is obviously undesirable to panic on an allocation failure for a normal network device. This patch moves the panic call under the loopback if clause. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Honour sk_bound_dev_if in tcp_v4_send_ackPatrick McHardy2007-06-073-1/+6
| | | | | | | | | | | A time_wait socket inherits sk_bound_dev_if from the original socket, but it is not used when sending ACK packets using ip_send_reply. Fix by passing the oif to ip_send_reply in struct ip_reply_arg and use it for output routing. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Update version and reldate.Michael Chan2007-06-071-2/+2
| | | | | | | | Update to version 1.5.11. Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Fix occasional counter corruption on 5708.Michael Chan2007-06-071-1/+13
| | | | | | | | | | | | | | | | | | | | | | The statistics block DMA on 5708 can be messed up occasionally on the average of about once per hour. If the user is reading the counters within one second after the corruption, the counters will be all messed up. One second later, the counters will be ok again until the next corruption occurs. The workaround is to disable the periodic statistics DMA. Instead, we manually trigger the DMA once a second in bnx2_timer(). This manual trigger of the DMA avoids the problem. As a consequence, we can only allow 0 or 1 second settings for ethtool -C statistics block. Thanks to Jean-Daniel Pauget <jd@disjunkt.com> and CaT <cat@zip.com.au> for reporting this rare problem. Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Enable DMA on 5709.Michael Chan2007-06-072-0/+6
| | | | | | | | | Add missing code to enable DMA on 5709 A1. The bit is a no-op on A0 and therefore can be set on all 5709 chips. Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Add missing wait in bnx2_init_5709_context().Michael Chan2007-06-071-3/+14
| | | | | | | | | | | | For correctness, we need to wait for the MEM_INIT bit to be cleared in the BNX2_CTX_COMMAND register before proceeding. [Added return -EBUSY when the MEM_INIT bit doesn't clear, suggested by Jeff Garzik.] Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BNX2]: Fix netdev watchdog on 5708.Michael Chan2007-06-071-8/+13
| | | | | | | | | | | | There's a bug in the driver that only initializes half of the context memory on the 5708. Surprisingly, this works most of the time except for some occasional netdev watchdogs when sending a lot of 64-byte packets. The fix is to add the missing code to initialize the 2nd halves of all context memory. Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵Linus Torvalds2007-06-0718-62/+543
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [VIDEO] sunxvr500fb: Fix pseudo_palette array size [VIDEO] sunxvr2500fb: Fix pseudo_palette array size [VIDEO] ffb: The pseudo_palette is only 16 elements long [VIDEO]: Fix section mismatch warning in promcon. [ATA]: Back out bogus (SPARC64 && !PCI) Kconfig depends. [SPARC64]: Fill in gaps in non-PCI dma_*() NOP implementation. [SPARC64]: Fix {mc,smt}_capable(). [SPARC64]: Make core and sibling groups equal on UltraSPARC-IV. [SPARC64]: Proper multi-core scheduling support. [SPARC64]: Provide mmu statistics via sysfs. [SPARC64]: Fix service channel hypervisor function names. [SPARC64]: Export basic cpu properties via sysfs. [SPARC64]: Move topology init code into new file, sysfs.c
| * [VIDEO] sunxvr500fb: Fix pseudo_palette array sizeAntonino Daplas2007-06-051-2/+4
| | | | | | | | | | | | | | | | | | - the pseudo_palette is only 16 elements long. - the pseudo_palette has only 16 elements. Do not write if regno (the array index) is more than 15. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [VIDEO] sunxvr2500fb: Fix pseudo_palette array sizeAntonino Daplas2007-06-051-9/+8
| | | | | | | | | | | | | | | | | | - the pseudo_palette is only 16 elements long. - the pseudo_palette has only 16 elements. Do not write if regno (the array index) is more than 15. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [VIDEO] ffb: The pseudo_palette is only 16 elements longAntonino Daplas2007-06-051-2/+2
| | | | | | | | | | | | | | The pseudo_palette is only 16 elements long. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [VIDEO]: Fix section mismatch warning in promcon.Sam Ravnborg2007-06-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the following warnings in promcon: WARNING: o-sparc64/drivers/video/console/built-in.o(.text+0x480): Section mismatch: reference to .init.data:promfont_unitable (between 'promcon_init_unimap' and 'promcon_init') WARNING: o-sparc64/drivers/video/console/built-in.o(.text+0x488): Section mismatch: reference to .init.data:promfont_unitable (between 'promcon_init_unimap' and 'promcon_init') WARNING: o-sparc64/drivers/video/console/built-in.o(.text+0x48c): Section mismatch: reference to .init.data:promfont_unicount (between 'promcon_init_unimap' and 'promcon_init') WARNING: o-sparc64/drivers/video/console/built-in.o(.text+0x490): Section mismatch: reference to .init.data:promfont_unicount (between 'promcon_init_unimap' and 'promcon_init') The warnings happens because the function: promcon_init_unimap() references promfont_unitable and promfont_unicount which are marked __initdata by the conmakehash command in the drivers/video/console/Makefile Fix the warning by removing the __initdata marker on the two variables. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [ATA]: Back out bogus (SPARC64 && !PCI) Kconfig depends.David S. Miller2007-06-041-1/+0
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Fill in gaps in non-PCI dma_*() NOP implementation.David S. Miller2007-06-041-0/+83
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Fix {mc,smt}_capable().David S. Miller2007-06-045-4/+12
| | | | | | | | | | | | | | It's not just sun4v hypervisor platforms that should return true for this, sun4u with UltraSPARC-IV should return true too. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Make core and sibling groups equal on UltraSPARC-IV.David S. Miller2007-06-041-1/+2
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Proper multi-core scheduling support.David S. Miller2007-06-047-5/+89
| | | | | | | | | | | | | | | | | | | | The scheduling domain hierarchy is: all cpus --> cpus that share an instruction cache --> cpus that share an integer execution unit Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Provide mmu statistics via sysfs.David Miller2007-06-043-15/+227
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the system supports hypervisor based statistics, allow them to be fetched, enabled, and disabled via sysfs. Enable and disable via the boolean: /sys/devices/systems/cpu/cpuN/mmustat_enable Statistic values are provided under: /sys/devices/systems/cpu/cpuN/mmu_status/ Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Fix service channel hypervisor function names.David Miller2007-06-041-20/+20
| | | | | | | | | | | | sed 's/scv/svc/' Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Export basic cpu properties via sysfs.David S. Miller2007-06-041-0/+86
| | | | | | | | | | | | Cache sizes, udelay_val, and clock_tick. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Move topology init code into new file, sysfs.cDavid S. Miller2007-06-043-21/+28
| | | | | | | | | | | | | | Also, use per-cpu data for struct cpu. Calling kmalloc for each cpu in topology_init() is just plain clumsy. Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of ↵Linus Torvalds2007-06-0711-167/+224
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Fix building of COFF zImages [POWERPC] spufs: Fix error handling in spufs_fill_dir() [POWERPC] Add table of contents to booting-without-of.txt [POWERPC] spufs: Don't yield nosched context [POWERPC] Fix typo in booting-without-of-txt section numbering [POWERPC] scc_sio: Fix link failure [POWERPC] cbe_cpufreq: Limit frequency via cpufreq notifier chain [POWERPC] Fix pci_setup_phb_io_dynamic for pci_iomap [POWERPC] spufs scheduler: Fix wakeup races [POWERPC] spufs: Synchronize pte invalidation vs ps close [POWERPC] spufs: Free mm if spufs_fill_dir() failed [POWERPC] spufs: Fix gang destroy leaks [POWERPC] spufs: Hook up spufs_release_mem [POWERPC] spufs: Refuse to load the module when not running on cell [POWERPC] pasemi: Fix iommu + 64K PAGE_SIZE bug
| * | [POWERPC] Fix building of COFF zImagesPaul Mackerras2007-06-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | The COFF zImage (for booting oldworld powermacs) wasn't being built correctly because the procedure descriptor in crt0.S for the zImage entry point wasn't declared as .globl, and therefore wasn't getting pulled in from wrapper.a by the linker. This adds the necessary .globl statement. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] spufs: Fix error handling in spufs_fill_dir()Sebastian Siewior2007-06-071-2/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The error path in spufs_fill_dir() is broken. If d_alloc_name() or spufs_new_file() fails, spufs_prune_dir() is getting called. At this time dir->inode is not set and a NULL pointer is dereferenced by mutex_lock(). This bugfix replaces spufs_prune_dir() with a shorter version that does not touch dir->inode but simply removes all children. Signed-off-by: Sebastian Siewior <bigeasy@linux.vnet.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Acked-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] Add table of contents to booting-without-of.txtStuart Yoder2007-06-071-1/+56
| | | | | | | | | | | | | | | | | | | | | Add table of contents. Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] spufs: Don't yield nosched contextChristoph Hellwig2007-06-071-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Nosched context sould never be scheduled out, thus we must not deactivate them in spu_yield ever. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] Fix typo in booting-without-of-txt section numberingStuart Yoder2007-06-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Fix typo in section numbering. Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] scc_sio: Fix link failureChristoph Hellwig2007-06-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | scc_sio.o should only be built if the txx9 serial driver is actually built into the kernel. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> -- Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] cbe_cpufreq: Limit frequency via cpufreq notifier chainThomas Renninger2007-06-071-6/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ... and get rid of cpufreq_set_policy call that caused a build failure due interfering commits. Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Christian Krafft <krafft@de.ibm.com> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] Fix pci_setup_phb_io_dynamic for pci_iomapArnd Bergmann2007-06-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We had a problem on a system with only dynamically allocated PCI buses (using of_pci_phb_driver) in combination with libata. This setup ended up having no "primary" phb, which means that pci_io_base never got initialized and all IO port numbers are 64 bit numbers, which is larger than the PIO_MASK limit. Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] spufs scheduler: Fix wakeup racesChristoph Hellwig2007-06-071-82/+77
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the race between checking for contexts on the runqueue and actually waking them in spu_deactive and spu_yield. The guts of spu_reschedule are split into a new helper called grab_runnable_context which shows if there is a runnable thread below a specified priority and if yes removes if from the runqueue and uses it. This function is used by the new __spu_deactivate hepler shared by preemption and spu_yield to grab a new context before deactivating a specified priority and if yes removes if from the runqueue and uses it. This function is used by the new __spu_deactivate hepler shared by preemption and spu_yield to grab a new context before deactivating the old one. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] spufs: Synchronize pte invalidation vs ps closeChristoph Hellwig2007-06-073-30/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make sure the mapping_lock also protects access to the various address_space pointers used for tearing down the ptes on a spu context switch. Because unmap_mapping_range can sleep we need to turn mapping_lock from a spinlock into a sleeping mutex. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] spufs: Free mm if spufs_fill_dir() failedSebastian Siewior2007-06-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In case spufs_fill_dir() fails only put_spu_context() gets called for cleanup and the acquired mm_struct never gets freed. Signed-off-by: Sebastian Siewior <bigeasy@linux.vnet.ibm.com> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] spufs: Fix gang destroy leaksJeremy Kerr2007-06-071-35/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, closing a SPE gang that still has contexts would trigger a WARN_ON, and leak the allocated gang. This change fixes the problem by using the gang's reference counts to destroy the gang instead. The gangs will persist until their last reference (be it context or open file handle) is gone. Also, avoid using statements with side-effects in a WARN_ON(). Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] spufs: Hook up spufs_release_memChristoph Hellwig2007-06-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Currently spufs_mem_release and the mem file doesn't have any release method hooked up, leading to leaks everytime is used. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] spufs: Refuse to load the module when not running on cellArnd Bergmann2007-06-071-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As noticed by David Woodhouse, it's currently possible to mount spufs on any machine, which means that it actually will get mounted by fedora. This refuses to load the module on platforms that have no support for SPUs. Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [POWERPC] pasemi: Fix iommu + 64K PAGE_SIZE bugOlof Johansson2007-06-071-8/+0
| |/ | | | | | | | | | | | | | | | | The powerpc iommu code was refactored by Linas back in the 2.6.20 time frame to map 4K pages from the generic code, but I had forgotten to go back and fix my platform driver before submitting it. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | Restrict clearing TIF_SIGPENDINGRoland McGrath2007-06-071-4/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch should get a few birds. It prevents sigaction calls from clearing TIF_SIGPENDING in other threads, which could leak -ERESTART*. And It fixes ptrace_stop not to clear it, which done at the syscall exit stop could leak -ERESTART*. It probably removes the harm from signalfd, at least assuming it never calls dequeue_signal on kernel threads that might have used block_all_signals. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | checkpatch.pl: should be executableAndy Whitcroft2007-06-071-0/+0
|/ | | | | | | | | scripts/checkpatch.pl should be executable, make it so. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Acked-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Joel Schopp <jschopp@austin.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Linux 2.6.22-rc4v2.6.22-rc4Linus Torvalds2007-06-041-1/+1
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* Merge git://git.infradead.org/mtd-2.6Linus Torvalds2007-06-048-189/+304
|\ | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/mtd-2.6: [JFFS2] Fix obsoletion of metadata nodes in jffs2_add_tn_to_tree() [MTD] Fix error checking after get_mtd_device() in get_sb_mtd functions [JFFS2] Fix buffer length calculations in jffs2_get_inode_nodes() [JFFS2] Fix potential memory leak of dead xattrs on unmount. [JFFS2] Fix BUG() caused by failing to discard xattrs on deleted files. [MTD] generalise the handling of MTD-specific superblocks [MTD] [MAPS] don't force uclinux mtd map to be root dev
| * [JFFS2] Fix obsoletion of metadata nodes in jffs2_add_tn_to_tree()David Woodhouse2007-06-011-3/+10
| | | | | | | | | | | | | | We should keep the mdata node with higher version number, not just the one we happen to find latest. Doh. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * [MTD] Fix error checking after get_mtd_device() in get_sb_mtd functionsDavid Woodhouse2007-06-011-3/+3
| | | | | | | | | | | | It returns ERR_PTR(foo) on error, not just NULL. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * [JFFS2] Fix buffer length calculations in jffs2_get_inode_nodes()Artem Bityutskiy2007-06-011-3/+6
| | | | | | | | | | | | | | If we have already read enough bytes, no need to call read_more(). Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * [JFFS2] Fix potential memory leak of dead xattrs on unmount.David Woodhouse2007-05-201-0/+4
| | | | | | | | | | | | | | | | | | An xattr_datum which ends up orphaned should be freed by the GC thread. But if we umount before the GC thread is finished, or if we mount read-only and the GC thread never runs, they might never be freed. Clean them up during unmount, if there are any left. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * [JFFS2] Fix BUG() caused by failing to discard xattrs on deleted files.David Woodhouse2007-05-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we cannot mark nodes as obsolete, such as on NAND flash, we end up having to delete inodes with !nlink in jffs2_build_remove_unlinked_inode(). However, jffs2_build_xattr_subsystem() runs later than this, and will attach an xref to the dead inode. Then later when the last nodes of that dead inode are erased we hit a BUG() in jffs2_del_ino_cache() because we're not supposed to get there with an xattr still attached to the inode which is being killed. The simple fix is to refrain from attaching xattrs to inodes with zero nlink, in jffs2_build_xattr_subsystem(). It's it's OK to trust nlink here because the file system isn't actually mounted yet, so there's no chance that a zero-nlink file could actually be alive still because it's open. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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