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2008-07-09Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2008-07-09netfilter: nf_nat_snmp_basic: fix a range check in NAT for SNMPDavid Howells
Fix a range check in netfilter IP NAT for SNMP to always use a big enough size variable that the compiler won't moan about comparing it to ULONG_MAX/8 on a 64-bit platform. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-09netfilter: nf_conntrack_tcp: fix endless loopPatrick McHardy
When a conntrack entry is destroyed in process context and destruction is interrupted by packet processing and the packet is an attempt to reopen a closed connection, TCP conntrack tries to kill the old entry itself and returns NF_REPEAT to pass the packet through the hook again. This may lead to an endless loop: TCP conntrack repeatedly finds the old entry, but can not kill it itself since destruction is already in progress, but destruction in process context can not complete since TCP conntrack is keeping the CPU busy. Drop the packet in TCP conntrack if we can't kill the connection ourselves to avoid this. Reported by: hemao77@gmail.com [ Kernel bugzilla #11058 ] Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-09Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: RDMA/cxgb3: Fix regression caused by class_device -> device conversion
2008-07-09libertas: fix memory alignment problems on the blackfinIhar Hrachyshka
Fixing unaligned memory access on the blackfin architecture. Signed-off-by: Ihar Hrachyshka <ihar.hrachyshka@promwad.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-09zd1211rw: stop beacons on remove_interfaceLuis Carlos Cobo
If a mesh or ad-hoc interface is brought up and later it is replaced by managed interface, the managed interface will keep transmitting the beacons that were configured for the former interface. This patch fixes that behaviour. Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-09rt2x00: Disable synchronization during initializationIvo van Doorn
As soon as init_registers() was called, the rt2400/rt2500 would start raising beacondone interrupts. Since this is highly premature since no beacons were provided yet, we should initialize the synchronization register to 0. This will make all drivers initialize it to 0 regardless if they are raising beacondone interrupts or not, since it only makes sense to have it completely disabled. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-09rc80211_pid: Fix fast_start parameter handlingMattias Nissler
This removes the fast_start parameter from the rc_pid parameters information and instead uses the parameter macro when initializing the rc_pid state. Since the parameter is only used on initialization, there is no point of making exporting it via debugfs. This also fixes uninitialized memory references to the fast_start and norm_offset parameters detected by the kmemcheck utility. Thanks to Vegard Nossum for reporting the bug. Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-08Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: [PATCH] ocfs2/dlm: Fixes oops in dlm_new_lockres()
2008-07-08powerpc: Add missing reference to coherent_dma_maskVitaly Bordug
There is dma_mask in of_device upon of_platform_device_create() but we don't actually set coherent_dma_mask. This may cause weird behavior of USB subsystem using of_device USB host drivers. Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: tcrypt - Fix memory leak in test_cipher
2008-07-08kernel/printk.c: Made printk_recursion_bug_msg static.Daniel Guilak
Signed-off-by: Daniel Guilak <daniel@danielguilak.com> Acked-by: Josh Triplett <josh@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-08sctp: Add documentation for sctp sysctl variableVlad Yasevich
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08ipv6: fix race between ipv6_del_addr and DAD timerAndrey Vagin
Consider the following scenario: ipv6_del_addr(ifp) ipv6_ifa_notify(RTM_DELADDR, ifp) ip6_del_rt(ifp->rt) after returning from the ipv6_ifa_notify and enabling BH-s back, but *before* calling the addrconf_del_timer the ifp->timer fires and: addrconf_dad_timer(ifp) addrconf_dad_completed(ifp) ipv6_ifa_notify(RTM_NEWADDR, ifp) ip6_ins_rt(ifp->rt) then return back to the ipv6_del_addr and: in6_ifa_put(ifp) inet6_ifa_finish_destroy(ifp) dst_release(&ifp->rt->u.dst) After this we have an ifp->rt inserted into fib6 lists, but queued for gc, which in turn can result in oopses in the fib6_run_gc. Maybe some other nasty things, but we caught only the oops in gc so far. The solution is to disarm the ifp->timer before flushing the rt from it. Signed-off-by: Andrey Vagin <avagin@parallels.com> Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08RDMA/cxgb3: Fix regression caused by class_device -> device conversionSteve Wise
The change to iwch_provider.c in commit f4e91eb4 ("IB: convert struct class_device to struct device") undid the fix done in commit 7f049f2f ("RDMA/cxgb3: Hold rtnl_lock() around ethtool get_drvinfo call"). It removed the calls to rtnl_lock() that serialized the iw_cxgb3 ethtool ops calls into the cxgb3 driver. This locking is needed to avoid messing up the internal state of the cxgb3 driver. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-07-08Fix broken fix for fsl-diu-dbTakashi Iwai
On 2.6.26-rc9, the commit 05946bce839b4fed5442dbfab77060fb75e051f3 ("fsl_diu_fb: fix build with CONFIG_PM=y, plus fix some warnings") breaks its previous fix f969c5672b16b857e5231ad3c78f08d8ef3305aa ("fsl-diu-db: compile fix") This patch reverts the broken part. Signed-off-by: Takashi Iwai <tiwai@suse.de> Acked-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-08Merge branch 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds
* 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: SUNRPC: Fix an rpcbind breakage for the case of IPv6 lookups SUNRPC: Fix a double-free in rpcbind NFS: Fix readdir cache invalidation
2008-07-08Merge 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] Fix 32bit kernels on R4k with 128 byte cache line size [MIPS] Atlas, decstation: Fix section mismatches triggered by defconfigs
2008-07-08reiserfs: discard prealloc in reiserfs_delete_inodeJeff Mahoney
With the removal of struct file from the xattr code, reiserfs_file_release() isn't used anymore, so the prealloc isn't discarded. This causes hangs later down the line. This patch adds it to reiserfs_delete_inode. In most cases it will be a no-op due to it already having been called, but will avoid hangs with xattrs. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-08SUNRPC: Fix an rpcbind breakage for the case of IPv6 lookupsTrond Myklebust
Now that rpcb_next_version has been split into an IPv4 version and an IPv6 version, we Oops when rpcb_call_async attempts to look up the IPv6-specific RPC procedure in rpcb_next_version. Fix the Oops simply by having rpcb_getport_async pass the correct RPC procedure as an argument. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-08SUNRPC: Fix a double-free in rpcbindTrond Myklebust
It is wrong to be freeing up the rpcbind arguments if the call to rpcb_call_async() fails, since they should already have been freed up by rpcb_map_release(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-08NFS: Fix readdir cache invalidationTrond Myklebust
invalidate_inode_pages2_range() takes page offset arguments, not byte ranges. Another thought is that individual pages might perhaps get evicted by VM pressure, in which case we might perhaps want to re-read not only the evicted page, but all subsequent pages too (in case the server returns more/less data per page so that the alignment of the next entry changes). We should therefore remove the condition that we only do this on page->index==0. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-07-08[MIPS] Fix 32bit kernels on R4k with 128 byte cache line sizeThomas Bogendoerfer
The generated copy_page for R4k CPU with a 128 byte cache line size used Create Dirty Exclusive cache line operations even if only part of the cache line was filled. This change avoids generating cache operations, if only part of the cache line size is copied in one loop. It also increases the maxmimum loop size, because the generated code even fits into the available space for r4k CPUs with 128 byte cache line size. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-07-08[MIPS] Atlas, decstation: Fix section mismatches triggered by defconfigsShane McDonald
Resolve these mismatches by defining affected functions with the __cpuinit attribute, rather than __init. Signed-off-by: Shane McDonald <mcdonald.shane@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-07-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: it8213: fix return value in it8213_init_one() palm_bk3710: fix IDECLK period calculation ide: add __ide_default_irq() inline helper
2008-07-08it8213: fix return value in it8213_init_one()Bartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-08palm_bk3710: fix IDECLK period calculationSergei Shtylyov
The driver uses completely bogus rounding formula for calculating period from the IDECLK frequency which gives one-off period values (e.g. 11 ns with 100 MHz IDECLK) which in turn can lead to overclocked IDE transfer timings. Actually, rounding is just wrong in this case, so use a mere division for a safe result. While at it, also: - give 'ide_palm_clk' variable a more suitable name; - get rid of the useless 'ideclkp' variable; - drop the LISP stype 'p' postfix from the 'clkp' variable's name. :-) Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: mcherkashin@ru.mvista.com Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-08ide: add __ide_default_irq() inline helperBartlomiej Zolnierkiewicz
Add __ide_default_irq() inline helper and use it instead of ide_default_irq() in ide-probe.c and ns87415.c (all host drivers except IDE PCI ones always setup hwif->irq so it is enough to check only for I/O bases 0x1f0 and 0x170). This fixes post-2.6.25 regression since ide_default_irq() define could shadow ide_default_irq() inline. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-07-08Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] protect _PAGE_SPECIAL bit against mprotect
2008-07-08Correct hash flushing from huge_ptep_set_wrprotect()David Gibson
As Andy Whitcroft recently pointed out, the current powerpc version of huge_ptep_set_wrprotect() has a bug. It just calls ptep_set_wrprotect() which in turn calls pte_update() then hpte_need_flush() with the 'huge' argument set to 0. This will cause hpte_need_flush() to flush the wrong hash entries (of any). Andy's fix for this is already in the powerpc tree as commit 016b33c4958681c24056abed8ec95844a0da80a3. I have confirmed this is a real bug, not masked by some other synchronization, with a new testcase for libhugetlbfs. A process write a (MAP_PRIVATE) hugepage mapping, fork(), then alter the mapping and have the child incorrectly see the second write. Therefore, this should be fixed for 2.6.26, and for the stable tree. Here is a suitable patch for 2.6.26, which I think will also be suitable for the stable tree (neither of the headers in question has been changed much recently). It is cut down slighlty from Andy's original version, in that it does not include a 32-bit version of huge_ptep_set_wrprotect(). Currently, hugepages are not supported on any 32-bit powerpc platform. When they are, a suitable 32-bit version can be added - the only 32-bit hardware which supports hugepages does not use the conventional hashtable MMU and so will have different needs anyway. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-08[SCSI] mptspi: fix oops in mptspi_dv_renegotiate_work()James Bottomley
The problem here is that if the ioc faults too early in the bring up sequence (as it usually does for an irq routing problem), ioc_reset gets called before the scsi host is even allocated. This causes an oops when it later schedules a renegotiation. Fix this by checking ioc->sh before trying to renegotiate. Cc: "Moore, Eric" <Eric.Moore@lsi.com> Cc: Stable Tree <stable@kernel.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-07-08irda: Fix netlink error path return valueJulius Volz
Fix an incorrect return value check of genlmsg_put() in irda_nl_get_mode(). genlmsg_put() does not use ERR_PTR() to encode return values, it just returns NULL on error. Signed-off-by: Julius Volz <juliusv@google.com> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08irda: New device ID for nsc-irccVille Syrjala
HP OmniBook 500's DSDT code changes the HID of the FIR device from NSC6001 to HWPC224 when run under an "NT" operating system. Add the new ID to the pnp device id table. Signed-off-by: Ville Syrjala <syrjala@sci.fi> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08irda: via-ircc proper dma freeingWang Chen
1. dma should be freed when dma2 request fail. 2. dma2 should be freed too when device close. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08[S390] protect _PAGE_SPECIAL bit against mprotectNick Piggin
Stop mprotect's pte_modify from wiping out the s390 pte_special bit, which caused oops thereafter when vm_normal_page thought X's abnormal was normal. Debugged-by: Ryan Hope <rmh3093@gmail.com> Debugged-by: Zan Lynx <zlynx@acm.org> Acked-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-07-08sctp: Mark the tsn as received after all allocations finishVlad Yasevich
If we don't have the buffer space or memory allocations fail, the data chunk is dropped, but TSN is still reported as received. This introduced a data loss that can't be recovered. We should only mark TSNs are received after memory allocations finish. The one exception is the invalid stream identifier, but that's due to user error and is reported back to the user. This was noticed by Michael Tuexen. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08crypto: tcrypt - Fix memory leak in test_cipherDarren Jenkins
Coverity CID: 2306 & 2307 RESOURCE_LEAK In the second for loop in test_cipher(), data is allocated space with kzalloc() and is only ever freed in an error case. Looking at this loop, data is written to this memory but nothing seems to read from it. So here is a patch removing the allocation, I think this is the right fix. Only compile tested. Signed-off-by: Darren Jenkins <darrenrjenkins@gmailcom> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-07-07Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: Revert "PCI: Correct last two HP entries in the bfsort whitelist"
2008-07-07mac80211: don't report selected IBSS when not foundVladimir Koutny
Don't report a 'selected' IBSS in sta_find_ibss when none was found. Signed-off-by: Vladimir Koutny <vlado@ksp.sk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-07ssb-pcicore: Fix IRQ-vector init on embedded devicesMichael Buesch
On embedded devices we must not route the interrupts through the PCI core, if our host-bus is not PCI. Reported-by: Steve Brown <sbrown@cortland.com> Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-07zd1211rw: add ID for AirTies WUS-201Firat Birlik
I would like to inform you of our zd1211 based usb wifi adapter (AirTies WUS-201), which works with the zd1211rw driver with the following device id definition. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-07mac80211: Only flush workqueue when last interface was removedIvo van Doorn
Currently the ieee80211_hw->workqueue is flushed each time an interface is being removed. However most scheduled work is not interface specific but device specific, for example things like periodic work for link tuners. This patch will move the flush_workqueue() call to directly behind the call to ops->stop() to make sure the workqueue is only flushed when all interfaces are gone and there really shouldn't be any scheduled work in the drivers left. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-07mac80211: move netif_carrier_on to after ieee80211_bss_info_change_notifyGuy Cohen
Putting netif_carrier_on before configuring the driver/device with the new association state may cause a race (tx frames may be sent before configuration is done) Signed-off-by: Guy Cohen <guy.cohen@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-07drivers/net/wireless/iwlwifi/iwl-3945.c Fix type issue on 64bitDarren Jenkins
Coverity CID: 2265 NEGATIVE_RETURNS "rate" is of an unsigned type, and the code requires a signed type. The following patch makes it so. Signed-off-by: Darren Jenkins <darrenrjenkins@gmailcom> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-07hostap_cs: correct poor NULL checks in suspend/resume routinesJohn W. Linville
This corrects this kernel.org bug: http://bugzilla.kernel.org/show_bug.cgi?id=9701 Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-07Revert "PCI: Correct last two HP entries in the bfsort whitelist"Jesse Barnes
This reverts commit a1676072558854b95336c8f7db76b0504e909a0a. It duplicates the change from 8d64c781f0c5fbfdf8016bd1634506ff2ad1376a and only one should be applied, otherwise some of the Dell quirks are lost. Thanks to Tony Camuso for catching this. Acked-by: Tony Camuso <tcamuso@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-07-07[PATCH] ocfs2/dlm: Fixes oops in dlm_new_lockres()Sunil Mushran
Patch fixes a race that can result in an oops while adding a lockres to the dlm lockres tracking list. Bug introduced by mainline commit 29576f8bb54045be944ba809d4fca1ad77c94165. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-07-07[UML] fix gcc ICEs and unresolved externsJeff Dike
There are various constraints on the use of unit-at-a-time: - i386 uses no-unit-at-a-time for pre-4.0 (not 4.3) - x86_64 uses unit-at-a-time always Uli reported a crash on x86_64 with gcc 4.1.2 with unit-at-a-time, resulting in commit c0a18111e571138747a98af18b3a2124df56a0d1 Ingo reported a gcc internal error with gcc 4.3 with no-unit-at-a-timem, resulting in 22eecde2f9034764a3fd095eecfa3adfb8ec9a98 Benny Halevy is seeing extern inlines not resolved with gcc 4.3 with no-unit-at-a-time This patch reintroduces unit-at-a-time for gcc >= 4.0, bringing back the possibility of Uli's crash. If that happens, we'll debug it. I started seeing both the internal compiler errors and unresolved inlines on Fedora 9. This patch fixes both problems, without so far reintroducing the crash reported by Uli. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Benny Halevy <bhalevy@panasas.com> Cc: Adrian Bunk <bunk@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-07Merge 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: can: add sanity checks fs_enet: restore promiscuous and multicast settings in restart() ibm_newemac: Fixes entry of short packets ibm_newemac: Fixes kernel crashes when speed of cable connected changes pasemi_mac: Access iph->tot_len with correct endianness ehea: Access iph->tot_len with correct endianness ehea: fix race condition ehea: add MODULE_DEVICE_TABLE ehea: fix might sleep problem forcedeth: fix lockdep warning on ethtool -s Add missing skb->dev assignment in Frame Relay RX code bridge: fix use-after-free in br_cleanup_bridges() tcp: fix a size_t < 0 comparison in tcp_read_sock tcp: net/ipv4/tcp.c needs linux/scatterlist.h libertas: support USB persistence on suspend/resume (resend) iwlwifi: drop skb silently for Tx request in monitor mode iwlwifi: fix incorrect 5GHz rates reported in monitor mode
2008-07-07powerpc: Fix unterminated of_device_id array in legacy_serial.cBenjamin Herrenschmidt
A recent patch to legacy_serial.c factored out some code by using the of_match_node() facility to match a node against an array of possible matches. However, the patch didn't properly terminate the array causing potential crashes in cases where no match is found. In addition, the name of the array was poorly chosen for a static symbol making debugging harder. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>