- 12 May, 2010 20 commits
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David S. Miller authored
Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wireless/ath/ar9170/usb.c drivers/scsi/iscsi_tcp.c net/ipv4/ipmr.c
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/stagingLinus Torvalds authored
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (applesmc) Correct sysfs fan error handling hwmon: (asc7621) Bug fixes
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Linus Torvalds authored
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: kprobes/x86: Fix removed int3 checking order perf: Fix static strings treated like dynamic ones
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Andrew Morton authored
i915_error_object_create() is called from the timer interrupt and hence can corrupt the KM_USER0 slot. Use KM_IRQ0 instead. Reported-by:
Jaswinder Singh Rajput <jaswinderlinux@gmail.com> Tested-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Oliver Neukum authored
The work queue has to be flushed after the device has been made inaccessible. The patch closes a window during which a work queue might remain active after the device is removed and would then lead to ACPI calls with undefined behavior. Signed-off-by:
Oliver Neukum <oneukum@suse.de> Acked-by:
Eric Piel <eric.piel@tremplin-utc.net> Acked-by:
Pavel Machek <pavel@ucw.cz> Cc: Pavel Herrmann <morpheus.ibis@gmail.com> Cc: <stable@kernel.org> Signed-off-by:
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André Goddard Rosa authored
In case of aborting because we reach the maximum amount of memory which can be allocated to message queues per user (RLIMIT_MSGQUEUE), we would try to free the message area twice when bailing out: first by the error handling code itself, and then later when cleaning up the inode through delete_inode(). Signed-off-by:
André Goddard Rosa <andre.goddard@gmail.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <stable@kernel.org> Signed-off-by:
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Michael Hennerich authored
The current allocation does not include the memory required for blanking lines. So avoid memory corruption when multiple devices are using the DMA memory near each other. Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Cc: <stable@kernel.org> Signed-off-by:
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KAMEZAWA Hiroyuki authored
Some callers (in memcontrol.c) calls css_is_ancestor() without rcu_read_lock. Because css_is_ancestor() has to access RCU protected data, it should be under rcu_read_lock(). This makes css_is_ancestor() itself does safe access to RCU protected area. (At least, "root" can have refcnt==0 if it's not an ancestor of "child". So, we need rcu_read_lock().) Signed-off-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by:
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KAMEZAWA Hiroyuki authored
Commit ad4ba375 ("memcg: css_id() must be called under rcu_read_lock()") modifies memcontol.c for fixing RCU check message. But Andrew Morton pointed out that the fix doesn't seems sane and it was just for hidining lockdep messages. This is a patch for do proper things. Checking again, all places, accessing without rcu_read_lock, that commit fixies was intentional.... all callers of css_id() has reference count on it. So, it's not necessary to be under rcu_read_lock(). Considering again, we can use rcu_dereference_check for css_id(). We know css->id is valid if css->refcnt > 0. (css->id never changes and freed after css->refcnt going to be 0.) This patch makes use of rcu_dereference_check() in css_id/depth and remove unnecessary rcu-read-lock added by the commit. Signed-off-by:
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Vitaliy Gusev authored
acct_exit_ns --> acct_file_reopen deletes timer without check timer execution on other CPUs. So acct_timeout() can change an unmapped memory. Signed-off-by:
Vitaliy Gusev <vgusev@openvz.org> Cc: Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
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Naoya Horiguchi authored
Currently page_address_in_vma() compares vma->anon_vma and page_anon_vma(page) for parameter check, but in 2.6.34 a vma can have multiple anon_vmas with anon_vma_chain, so current check does not work. (For anonymous page shared by multiple processes, some verified (page,vma) pairs return -EFAULT wrongly.) We can go to checking all anon_vmas in the "same_vma" chain, but it needs to meet lock requirement. Instead, we can remove anon_vma check safely because page_address_in_vma() assumes that page and vma are already checked to belong to the identical process. Signed-off-by:
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Reviewed-by:
Rik van Riel <riel@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by:
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Mel Gorman authored
Ordinarily, application using hugetlbfs will create mappings with reserves. For shared mappings, these pages are reserved before mmap() returns success and for private mappings, the caller process is guaranteed and a child process that cannot get the pages gets killed with sigbus. An application that uses MAP_NORESERVE gets no reservations and mmap() will always succeed at the risk the page will not be available at fault time. This might be used for example on very large sparse mappings where the developer is confident the necessary huge pages exist to satisfy all faults even though the whole mapping cannot be backed by huge pages. Unfortunately, if an allocation does fail, VM_FAULT_OOM is returned to the fault handler which proceeds to trigger the OOM-killer. This is unhelpful. Even without hugetlbfs mounted, a user using mmap() can trivially trigger the OOM-killer because VM_FAULT_OOM is returned (will provide example program if desired - it's a whopping 24 lines long). It could be considered a DOS available to an unprivileged user. This patch alters hugetlbfs to kill a process that uses MAP_NORESERVE where huge pages were not available with SIGBUS instead of triggering the OOM killer. This change affects hugetlb_cow() as well. I feel there is a failure case in there, but I didn't create one. It would need a fairly specific target in terms of the faulting application and the hugepage pool size. The hugetlb_no_page() path is much easier to hit but both might as well be closed. Signed-off-by:
Mel Gorman <mel@csn.ul.ie> Cc: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: David Rientjes <rientjes@google.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: <stable@kernel.org> Signed-off-by:
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Vitaly Mayatskikh authored
Two "echo 0 > /sys/kernel/kexec_crash_size" OOPSes kernel. Also content of this file is invalid after first shrink to zero: it shows 1 instead of 0. This scenario is unlikely to happen often (root privs, valid crashkernel= in cmdline, dump-capture kernel not loaded), I hit it only by chance. This patch fixes it. Signed-off-by:
Vitaly Mayatskikh <v.mayatskih@gmail.com> Cc: Cong Wang <amwang@redhat.com> Cc: Neil Horman <nhorman@tuxdriver.com> Signed-off-by:
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Nicolas Ferre authored
In debugfs, printing of command response reports resp[2] twice: fix it to resp[3]. Signed-off-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Nicolas Ferre authored
Disable data error interrupts while we are actually recording that there is not such errors. This will prevent, in some cases, the warning message printed at new request queuing (in atmci_start_request()). Signed-off-by:
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Nicolas Ferre authored
The removing of an SD card in certain circumstances can lead to a kernel oops if we do not make sure that the "data" field of the host structure is valid. This patch adds a test in atmci_dma_cleanup() function and also calls atmci_stop_dma() before throwing away the reference to data. Signed-off-by:
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Nicolas Ferre authored
Two parameters were swapped in the calls to atmci_init_slot(). Signed-off-by:
Anders Grahn <anders.grahn@hd-wireless.se> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: <linux-mmc@vger.kernel.org> Cc: <stable@kernel.org> Signed-off-by:
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Robin Holt authored
Originally, commit d899bf7b ("procfs: provide stack information for threads") attempted to introduce a new feature for showing where the threadstack was located and how many pages are being utilized by the stack. Commit c44972f1 ("procfs: disable per-task stack usage on NOMMU") was applied to fix the NO_MMU case. Commit 89240ba0 ("x86, fs: Fix x86 procfs stack information for threads on 64-bit") was applied to fix a bug in ia32 executables being loaded. Commit 9ebd4eba ("procfs: fix /proc/<pid>/stat stack pointer for kernel threads") was applied to fix a bug which had kernel threads printing a userland stack address. Commit 1306d603 ('proc: partially revert "procfs: provide stack information for threads"') was then applied to revert the stack pages being used to solve a significant performance regression. This patch nearly undoes the effect of all these patches. The reason for reverting these is it provides an unusable value in field 28. For x86_64, a fork will result in the task->stack_start value being updated to the current user top of stack and not the stack start address. This unpredictability of the stack_start value makes it worthless. That includes the intended use of showing how much stack space a thread has. Other architectures will get different values. As an example, ia64 gets 0. The do_fork() and copy_process() functions appear to treat the stack_start and stack_size parameters as architecture specific. I only partially reverted c44972f1 ("procfs: disable per-task stack usage on NOMMU") . If I had completely reverted it, I would have had to change mm/Makefile only build pagewalk.o when CONFIG_PROC_PAGE_MONITOR is configured. Since I could not test the builds without significant effort, I decided to not change mm/Makefile. I only partially reverted 89240ba0 ("x86, fs: Fix x86 procfs stack information for threads on 64-bit") . I left the KSTK_ESP() change in place as that seemed worthwhile. Signed-off-by:
Robin Holt <holt@sgi.com> Cc: Stefani Seibold <stefani@seibold.net> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Ingo Molnar <mingo@elte.hu> Cc: <stable@kernel.org> Signed-off-by:
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Denis Turischev authored
The SIO chip contains 16 possible gpio lines, not 14. The schematic was not read carefully. Signed-off-by:
Denis Turischev <denis@compulab.co.il> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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FUJITA Tomonori authored
dma_sync_single_range_for_cpu() and dma_sync_single_range_for_device() use a wrong address with a partial synchronization. Signed-off-by:
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Reviewed-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: <stable@kernel.org> Signed-off-by:
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- 11 May, 2010 13 commits
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Stephen Rothwell authored
Signed-off-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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John W. Linville authored
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem Conflicts: drivers/net/wireless/ath/ar9170/main.c
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon: Fix 3 regressions - since buffer rework
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net: Fix FDDI and TR config checks in ipv4 arp and LLC. IPv4: unresolved multicast route cleanup mac80211: remove association work when processing deauth request ar9170: wait for asynchronous firmware loading ipv4: udp: fix short packet and bad checksum logging phy: Fix initialization in micrel driver. sctp: Fix a race between ICMP protocol unreachable and connect() veth: Dont kfree_skb() after dev_forward_skb() IPv6: fix IPV6_RECVERR handling of locally-generated errors net/gianfar: drop recycled skbs on MTU change iwlwifi: work around passive scan issue
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David Howells authored
Fix an occasional EIO returned by a call to vfs_unlink(): [ 4868.465413] CacheFiles: I/O Error: Unlink failed [ 4868.465444] FS-Cache: Cache cachefiles stopped due to I/O error [ 4947.320011] CacheFiles: File cache on md3 unregistering [ 4947.320041] FS-Cache: Withdrawing cache "mycache" [ 5127.348683] FS-Cache: Cache "mycache" added (type cachefiles) [ 5127.348716] CacheFiles: File cache on md3 registered [ 7076.871081] CacheFiles: I/O Error: Unlink failed [ 7076.871130] FS-Cache: Cache cachefiles stopped due to I/O error [ 7116.780891] CacheFiles: File cache on md3 unregistering [ 7116.780937] FS-Cache: Withdrawing cache "mycache" [ 7296.813394] FS-Cache: Cache "mycache" added (type cachefiles) [ 7296.813432] CacheFiles: File cache on md3 registered What happens is this: (1) A cached NFS file is seen to have become out of date, so NFS retires the object and immediately acquires a new object with the same key. (2) Retirement of the old object is done asynchronously - so the lookup/create to generate the new object may be done first. This can be a problem as the old object and the new object must exist at the same point in the backing filesystem (i.e. they must have the same pathname). (3) The lookup for the new object sees that a backing file already exists, checks to see whether it is valid and sees that it isn't. It then deletes that file and creates a new one on disk. (4) The retirement phase for the old file is then performed. It tries to delete the dentry it has, but ext4_unlink() returns -EIO because the inode attached to that dentry no longer matches the inode number associated with the filename in the parent directory. The trace below shows this quite well. [md5sum] ==> __fscache_relinquish_cookie(ffff88002d12fb58{NFS.fh,ffff88002ce62100},1) [md5sum] ==> __fscache_acquire_cookie({NFS.server},{NFS.fh},ffff88002ce62100) NFS has retired the old cookie and asked for a new one. [kslowd] ==> fscache_object_state_machine({OBJ52,OBJECT_ACTIVE,24}) [kslowd] <== fscache_object_state_machine() [->OBJECT_DYING] [kslowd] ==> fscache_object_state_machine({OBJ53,OBJECT_INIT,0}) [kslowd] <== fscache_object_state_machine() [->OBJECT_LOOKING_UP] [kslowd] ==> fscache_object_state_machine({OBJ52,OBJECT_DYING,24}) [kslowd] <== fscache_object_state_machine() [->OBJECT_RECYCLING] The old object (OBJ52) is going through the terminal states to get rid of it, whilst the new object - (OBJ53) - is coming into being. [kslowd] ==> fscache_object_state_machine({OBJ53,OBJECT_LOOKING_UP,0}) [kslowd] ==> cachefiles_walk_to_object({ffff88003029d8b8},OBJ53,@68,) [kslowd] lookup '@68' [kslowd] next -> ffff88002ce41bd0 positive [kslowd] advance [kslowd] lookup 'Es0g00og0_Nd_XCYe3BOzvXrsBLMlN6aw16M1htaA' [kslowd] next -> ffff8800369faac8 positive The new object has looked up the subdir in which the file would be in (getting dentry ffff88002ce41bd0) and then looked up the file itself (getting dentry ffff8800369faac8). [kslowd] validate 'Es0g00og0_Nd_XCYe3BOzvXrsBLMlN6aw16M1htaA' [kslowd] ==> cachefiles_bury_object(,'@68','Es0g00og0_Nd_XCYe3BOzvXrsBLMlN6aw16M1htaA') [kslowd] remove ffff8800369faac8 from ffff88002ce41bd0 [kslowd] unlink stale object [kslowd] <== cachefiles_bury_object() = 0 It then checks the file's xattrs to see if it's valid. NFS says that the auxiliary data indicate the file is out of date (obvious to us - that's why NFS ditched the old version and got a new one). CacheFiles then deletes the old file (dentry ffff8800369faac8). [kslowd] redo lookup [kslowd] lookup 'Es0g00og0_Nd_XCYe3BOzvXrsBLMlN6aw16M1htaA' [kslowd] next -> ffff88002cd94288 negative [kslowd] create -> ffff88002cd94288{ffff88002cdaf238{ino=148247}} CacheFiles then redoes the lookup and gets a negative result in a new dentry (ffff88002cd94288) which it then creates a file for. [kslowd] ==> cachefiles_mark_object_active(,OBJ53) [kslowd] <== cachefiles_mark_object_active() = 0 [kslowd] === OBTAINED_OBJECT === [kslowd] <== cachefiles_walk_to_object() = 0 [148247] [kslowd] <== fscache_object_state_machine() [->OBJECT_AVAILABLE] The new object is then marked active and the state machine moves to the available state - at which point NFS can start filling the object. [kslowd] ==> fscache_object_state_machine({OBJ52,OBJECT_RECYCLING,20}) [kslowd] ==> fscache_release_object() [kslowd] ==> cachefiles_drop_object({OBJ52,2}) [kslowd] ==> cachefiles_delete_object(,OBJ52{ffff8800369faac8}) The old object, meanwhile, goes on with being retired. If allocation occurs first, cachefiles_delete_object() has to wait for dir->d_inode->i_mutex to become available before it can continue. [kslowd] ==> cachefiles_bury_object(,'@68','Es0g00og0_Nd_XCYe3BOzvXrsBLMlN6aw16M1htaA') [kslowd] remove ffff8800369faac8 from ffff88002ce41bd0 [kslowd] unlink stale object EXT4-fs warning (device sda6): ext4_unlink: Inode number mismatch in unlink (148247!=148193) CacheFiles: I/O Error: Unlink failed FS-Cache: Cache cachefiles stopped due to I/O error CacheFiles then tries to delete the file for the old object, but the dentry it has (ffff8800369faac8) no longer points to a valid inode for that directory entry, and so ext4_unlink() returns -EIO when de->inode does not match i_ino. [kslowd] <== cachefiles_bury_object() = -5 [kslowd] <== cachefiles_delete_object() = -5 [kslowd] <== fscache_object_state_machine() [->OBJECT_DEAD] [kslowd] ==> fscache_object_state_machine({OBJ53,OBJECT_AVAILABLE,0}) [kslowd] <== fscache_object_state_machine() [->OBJECT_ACTIVE] (Note that the above trace includes extra information beyond that produced by the upstream code). The fix is to note when an object that is being retired has had its object deleted preemptively by a replacement object that is being created, and to skip the second removal attempt in such a case. Reported-by:Greg M <gregm@servu.net.au> Reported-by:
Mark Moseley <moseleymark@gmail.com> Reported-by:
Romain DEGEZ <romain.degez@smartjog.com> Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Alex Chiang authored
Duplicate entries ended up acpisleep_dmi_table[] by accident. They don't hurt functionality, but they are ugly, so let's get rid of them. Cc: stable@kernel.org Signed-off-by:
Alex Chiang <achiang@canonical.com> Signed-off-by:
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Henrik Rydberg authored
The current code will not remove the sysfs files for fan numbers three and up. Also, upon exit, fans one and two are removed regardless of their existence. This patch cleans up the sysfs error handling for the fans. Signed-off-by:
Henrik Rydberg <rydberg@euromail.se> Signed-off-by:
Jean Delvare <khali@linux-fr.org>
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Ken Milmore authored
* Allow fan minimum RPM to be set to zero without triggering alarms. * Fix voltage scaling arithmetic and correct scale factors. * Correct fan1-fan4 alarm bit shifts. * Correct register address for temp3_smoothing_enable. * Read the alarm registers with high priority. Signed-off-by:
Ken Milmore <ken.milmore@googlemail.com> Signed-off-by:
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Masami Hiramatsu authored
Fix kprobe/x86 to check removed int3 when failing to get kprobe from hlist. Since we have a time window between checking int3 exists on probed address and getting kprobe on that address, we can have following scenario: ------- CPU1 CPU2 hit int3 check int3 exists remove int3 remove kprobe from hlist get kprobe from hlist no kprobe->OOPS! ------- This patch moves int3 checking if there is no kprobe on that address for fixing this problem as follows: ------ CPU1 CPU2 hit int3 remove int3 remove kprobe from hlist get kprobe from hlist no kprobe->check int3 exists ->rollback&retry ------ Signed-off-by:Masami Hiramatsu <mhiramat@redhat.com> Acked-by:
Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: systemtap <systemtap@sources.redhat.com> Cc: DLE <dle-develop@lists.sourceforge.net> Cc: Dave Anderson <anderson@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <20100427223348.2322.9112.stgit@localhost6.localdomain6> Signed-off-by:
Ingo Molnar <mingo@elte.hu>
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Frederic Weisbecker authored
The raw_field_ptr() helper, used to retrieve the address of a field inside a trace event, treats every strings as if they were dynamic ie: having a secondary level of indirection to retrieve their contents. FIELD_IS_STRING doesn't mean FIELD_IS_DYNAMIC, we only need to compute the secondary dereference for the latter case. This fixes perf sched segfaults, bad cmdline report and may be some other bugs. Reported-by:
Jason Baron <jbaron@redhat.com> Reported-by:
Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by:
Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Tom Zanussi <tzanussi@gmail.com>
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Jean Delvare authored
Commit b4fe9454 introduced 3 bugs, fix them: * Use the right command dword for second packet offset in RADEON_CNTL_PAINT/BITBLT_MULTI. * Don't leak memory if drm_buffer_copy_from_user() fails. * Don't call drm_buffer_unprocessed() unless drm_buffer_alloc() and drm_buffer_copy_from_user() have been called successfully first. Signed-off-by:
Dave Airlie <airlied@redhat.com>
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- 10 May, 2010 7 commits
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Randy Dunlap authored
When CONFIG_NET is disabled, the attempt to build wext-priv.c fails with: net/wireless/wext-priv.c: In function 'ioctl_private_call': net/wireless/wext-priv.c:207: error: implicit declaration of function 'call_commit_handler' Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Xose Vazquez Perez authored
s/X/x Signed-off-by:
Xose Vazquez Perez <xose.vazquez@gmail.com> Acked-by:
Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by:
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Gertjan van Wingerde authored
With a little bit of restructuring it isn't necessary to have special cases in rt2x00queue_write_tx_descriptor for writing the descriptor for beacons. Simply split off the kicking of the TX queue to a separate function with is only called for non-beacons. Signed-off-by:
Gertjan van Wingerde <gwingerde@gmail.com> Acked-by:
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Gertjan van Wingerde authored
According to the Ralink vendor driver for rt2800 we don't need a full TXD for a beacon but just a TXWI in front of the actual beacon. Fix the rt2800pci and rt2800usb beaconing code accordingly. Signed-off-by:
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Gertjan van Wingerde authored
Preparation to fix rt2800 beaconing. Signed-off-by:
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Gertjan van Wingerde authored
All of the driver's kick_tx_queue callback functions treat the TX queue for beacons in a special manner. Clean this up by integrating the kicking of the beacon queue into the write_beacon callback function, and let the generic code no longer call the kick_tx_queue callback function when updating the beacon. Signed-off-by:
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Gertjan van Wingerde authored
RXWI processing is exactly the same for rt2800pci and rt2800usb, so make it common code. Signed-off-by:
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