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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[PATCH] powerpc: Use the ibm,pa-features property if available
powerpc: Fix incorrect might_sleep in __get_user/__put_user on kernel addresses
[PATCH] ppc32 CPM_UART: fixes and improvements
[PATCH] ppc32 CPM_UART: Fixed break send on SCC
[PATCH] powerpc/kprobes: fix singlestep out-of-line
[PATCH] powerpc/pseries: avoid crash in PCI code if mem system not up
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 3490/1: i.MX: move uart resources to board files
[ARM] 3488/1: make icedcc_putc do the right thing
[ARM] 3487/1: IXP4xx: Support non-PCI systems
[ARM] 3486/1: Mark memory as clobbered by the ARM _syscallX() macros
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* master.kernel.org:/home/rmk/linux-2.6-mmc:
[MMC] Move set_ios debugging into mmc.c
[MMC] Correct mmc_request_done comments
[MMC] PXA: reduce the number of lines PXAMCI debug uses
[MMC] PXA and i.MX: don't avoid sending stop command on error
[MMC] extend data timeout for writes
[ARM] 3485/1: i.MX: MX1 SD/MMC fix of unintentional double start possibility
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* 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block:
[PATCH] compat_sys_vmsplice: one-off in UIO_MAXIOV check
[PATCH] splice: redo page lookup if add_to_page_cache() returns -EEXIST
[PATCH] splice: rename remaining info variables to pipe
[PATCH] splice: LRU fixups
[PATCH] splice: fix unlocking of page on error ->prepare_write()
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[DECNET]: Fix level1 router hello
[TCP]: Fix sock_orphan dead lock
[ROSE]: Eleminate HZ from ROSE kernel interfaces
[NETROM]: Eleminate HZ from NET/ROM kernel interfaces
[AX.25]: Eleminate HZ from AX.25 kernel interfaces
[ROSE]: Fix routing table locking in rose_remove_neigh.
[AX.25]: Move AX.25 symbol exports
[HAMRADIO]: Remove remaining SET_MODULE_OWNER calls from hamradio drivers.
[AX25, ROSE]: Remove useless SET_MODULE_OWNER calls.
[AX.25]: Spelling fix
[ROSE]: Remove useless prototype for rose_remove_neigh().
[NETFILTER]: x_tables: don't use __copy_{from,to}_user on unchecked memory in compat layer
[NETFILTER]: H.323 helper: Change author's email address
[NETFILTER]: NAT: silence unused variable warnings with CONFIG_XFRM=n
[NETFILTER]: H.323 helper: fix use of uninitialized data
[NETFILTER]: H.323 helper: fix endless loop caused by invalid TPKT len
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC]: Hook up vmsplice into syscall tables.
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By request from Tristan.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Rather than having every driver duplicate the set_ios debugging,
provide a single version in mmc.c which can be expanded as we
add additional functionality.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Sascha Hauer
This patch moves the i.MX uart resources and the gpio pin setup to the
board files. This allows the boards to decide how many internal uarts
are connected to the outside world and whether they use rts/cts or
not.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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mmc_request_done should be called at the end of handling a request, not
between the data and initial command parts of the request.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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nr_segs may not be > UIO_MAXIOV, however it may be equal to. This makes
the behaviour identical to the real sys_vmsplice(). The other foov
syscalls also agree that this is the way to go.
Signed-off-by: Jens Axboe <axboe@suse.de>
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This patch fixes hello messages sent when a node is a level 1
router. Slightly contrary to the spec (maybe) VMS ignores hello
messages that do not name level2 routers that it also knows about.
So, here we simply name all the routers that the node knows about
rather just other level1 routers. (I hope the patch is clearer than
the description. sorry).
Signed-off-by: Patrick Caulfield <patrick@tykepenguin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Calling sock_orphan inside bh_lock_sock in tcp_close can lead to dead
locks. For example, the inet_diag code holds sk_callback_lock without
disabling BH. If an inbound packet arrives during that admittedly tiny
window, it will cause a dead lock on bh_lock_sock. Another possible
path would be through sock_wfree if the network device driver frees the
tx skb in process context with BH enabled.
We can fix this by moving sock_orphan out of bh_lock_sock.
The tricky bit is to work out when we need to destroy the socket
ourselves and when it has already been destroyed by someone else.
By moving sock_orphan before the release_sock we can solve this
problem. This is because as long as we own the socket lock its
state cannot change.
So we simply record the socket state before the release_sock
and then check the state again after we regain the socket lock.
If the socket state has transitioned to TCP_CLOSE in the time being,
we know that the socket has been destroyed. Otherwise the socket is
still ours to keep.
Note that I've also moved the increment on the orphan count forward.
This may look like a problem as we're increasing it even if the socket
is just about to be destroyed where it'll be decreased again. However,
this simply enlarges a window that already exists. This also changes
the orphan count test by one.
Considering what the orphan count is meant to do this is no big deal.
This problem was discoverd by Ingo Molnar using his lock validator.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert all ROSE sysctl time values from jiffies to ms as units.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert all NET/ROM sysctl time values from jiffies to ms as units.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert all AX.25 sysctl time values from jiffies to ms as units.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The locking rule for rose_remove_neigh() are that the caller needs to
hold rose_neigh_list_lock, so we better don't take it yet again in
rose_neigh_list_lock.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move AX.25 symbol exports to next to their definitions where they're
supposed to be these days.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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in compat layer
Noticed by Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jing Min Zhao <zhaojingmin@users.sourceforge.net>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/ipv4/netfilter/ip_nat_standalone.c: In function 'ip_nat_out':
net/ipv4/netfilter/ip_nat_standalone.c:223: warning: unused variable 'ctinfo'
net/ipv4/netfilter/ip_nat_standalone.c:222: warning: unused variable 'ct'
Surprisingly no complaints so far ..
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a Choice element contains an unsupported choice no error is returned
and parsing continues normally, but the choice value is not set and
contains data from the last parsed message. This may in turn lead to
parsing of more stale data and following crashes.
Fixes a crash triggered by testcase 0003243 from the PROTOS c07-h2250v4
testsuite following random other testcases:
CPU: 0
EIP: 0060:[<c01a9554>] Not tainted VLI
EFLAGS: 00210646 (2.6.17-rc2 #3)
EIP is at memmove+0x19/0x22
eax: d7be0307 ebx: d7be0307 ecx: e841fcf9 edx: d7be0307
esi: bfffffff edi: bfffffff ebp: da5eb980 esp: c0347e2c
ds: 007b es: 007b ss: 0068
Process events/0 (pid: 4, threadinfo=c0347000 task=dff86a90)
Stack: <0>00000006 c0347ea6 d7be0301 e09a6b2c 00000006 da5eb980 d7be003e d7be0052
c0347f6c e09a6d9c 00000006 c0347ea6 00000006 00000000 d7b9a548 00000000
c0347f6c d7b9a548 00000004 e0a1a119 0000028f 00000006 c0347ea6 00000006
Call Trace:
[<e09a6b2c>] mangle_contents+0x40/0xd8 [ip_nat]
[<e09a6d9c>] ip_nat_mangle_tcp_packet+0xa1/0x191 [ip_nat]
[<e0a1a119>] set_addr+0x60/0x14d [ip_nat_h323]
[<e0ab6e66>] q931_help+0x2da/0x71a [ip_conntrack_h323]
[<e0ab6e98>] q931_help+0x30c/0x71a [ip_conntrack_h323]
[<e09af242>] ip_conntrack_help+0x22/0x2f [ip_conntrack]
[<c022934a>] nf_iterate+0x2e/0x5f
[<c025d357>] xfrm4_output_finish+0x0/0x39f
[<c02294ce>] nf_hook_slow+0x42/0xb0
[<c025d357>] xfrm4_output_finish+0x0/0x39f
[<c025d732>] xfrm4_output+0x3c/0x4e
[<c025d357>] xfrm4_output_finish+0x0/0x39f
[<c0230370>] ip_forward+0x1c2/0x1fa
[<c022f417>] ip_rcv+0x388/0x3b5
[<c02188f9>] netif_receive_skb+0x2bc/0x2ec
[<c0218994>] process_backlog+0x6b/0xd0
[<c021675a>] net_rx_action+0x4b/0xb7
[<c0115606>] __do_softirq+0x35/0x7d
[<c0104294>] do_softirq+0x38/0x3f
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the TPKT len included in the packet is below the lowest valid value
of 4 an underflow occurs which results in an endless loop.
Found by testcase 0000058 from the PROTOS c07-h2250v4 testsuite.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This can happen quite easily, if several processes are trying to splice
the same file at the same time. It's not a failure, it just means someone
raced with us in allocating this file page. So just dump the allocated
page and relookup the original.
Signed-off-by: Jens Axboe <axboe@suse.de>
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Same thing was done in fs/pipe.c and most of fs/splice.c, but we had
a few missing still.
Signed-off-by: Jens Axboe <axboe@suse.de>
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Nick says that the current construct isn't safe. This goes back to the
original, but sets PIPE_BUF_FLAG_LRU on user pages as well as they all
seem to be on the LRU in the first place.
Signed-off-by: Jens Axboe <axboe@suse.de>
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Looking at generic_file_buffered_write(), we need to unlock_page() if
prepare write fails and it isn't due to racing with truncate().
Also trim the size if ->prepare_write() fails, if we have to.
Signed-off-by: Jens Axboe <axboe@suse.de>
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Some places in ext3 multiple block allocation code (in 2.6.17-rc3) don't
handle the little endian well. This was resulting in *wrong* block numbers
being assigned to in-memory block variables and then stored on disk
eventually. The following patch has been verified to fix an ext3
filesystem failure when run ltp test on a 64 bit machine.
Signed-off-by; Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Currently loading the ioc3 as a module will cause the ports to be numbered
in reverse order. This mod maintains the proper order of cards for port
numbering.
Signed-off-by: Brent Casavant <bcasavan@sgi.com>
Cc: Pat Gefre <pfg@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Address the issue of EDAC/BIOS coexistence for the e752x chip-sets.
We have found a problem where the BIOS will start the system with the error
registers (dev0:fun1) hidden and assuming it has exclusive access to them.
The edac driver violates this assumption.
The workaround this patch offers is to honor the hidden-ness as an
indication that it is not safe to use those registers.
Signed-off-by: Mark Gross <mark.gross@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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inet_init, which schedules, is called before the UML timer_init, which sets
up the timer. The result is the interval timers being manipulated before
the appropriate signal handlers are established, causing unhandled timers.
This is fixed by making timer_init be called earlier.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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We only need to check cpu_has_apic in the IO-APIC/L-APIC parsing, not for
all of ACPI.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Clear selinux_enabled flag upon runtime disable of SELinux by userspace,
and make sure it is defined even if selinux= boot parameter support is
not enabled in configuration.
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: James Morris <jmorris@namei.org>
Tested-by: Jon Smirl <jonsmirl@gmail.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Forthcoming IBM machines will have a "ibm,pa-features" property on CPU
nodes, that contains bits indicating which optional architecture
features are implemented by the CPU. This adds code to use the
property, if present, to update our CPU feature bitmaps. Note that
this means we can both set and clear feature bits based on what
the firmware tells us.
This is based on a patch by Will Schmidt <willschm@us.ibm.com>.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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We have a case where __get_user and __put_user can validly be used
on kernel addresses in interrupt context - namely, the alignment
exception handler, as our get/put_unaligned just do a single access
and rely on the alignment exception handler to fix things up in the
rare cases where the cpu can't handle it in hardware. Thus we can
get alignment exceptions in the network stack at interrupt level.
The alignment exception handler does a __get_user to read the
instruction and blows up in might_sleep().
Since a __get_user on a kernel address won't actually ever sleep,
this makes the might_sleep conditional on the address being less
than PAGE_OFFSET.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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A number of small issues are fixed, and added the header file, missed from the
original series. With this, driver should be pretty stable as tested among
both platform-device-driven and "old way" boards. Also added missing GPL
statement , and updated year field on existing ones to reflect
code update.
Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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SCC uart sends a break sequence each time it is stopped with the
CPM_CR_STOP_TX command. That means that each time an application closes the
serial device, a break is transmitted. To fix this, graceful tx stop is
issued for SCC.
Signed-off-by: David Jander <david.jander@protonic.nl>
Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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We currently single-step inline if the instruction on which a kprobe is
inserted is a trap variant.
- variants (such as tdnei, used by BUG()) typically evaluate a condition
and cause a trap only if the condition is satisfied.
- kprobes uses the unconditional "trap" (0x7fe00008) and single-stepping
again on this instruction, resulting in another trap without
evaluating the condition is obviously incorrect.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The powerpc code is currently performing PCI setup before memory
initialization. PCI setup touches PCI config space registers. If the PCI
card is bad, this will evoke an error, which currrently can't be handled,
as the PCI error recovery code expects kmalloc() to be functional. This
patch will cause the system to punt instead of crashing with
cpu 0x0: Vector: 300 (Data Access) at [c0000000004434d0]
pc: c0000000000c06b4: .kmem_cache_alloc+0x8c/0xf4
lr: c00000000004ad6c: .eeh_send_failure_event+0x48/0xfc
This patch will also print name of the offending pci device.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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fix infinite loop in the SCTP-netfilter code: check SCTP chunk size to
guarantee progress of for_each_sctp_chunk(). (all other uses of
for_each_sctp_chunk() are preceded by do_basic_checks(), so this fix
should be complete.)
Based on patch from Ingo Molnar <mingo@elte.hu>
CVE-2006-1527
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Patch from Uwe Zeisberger
a) use coprocessor 14
b) make reading the dcc status volatile
Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@digi.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch fixes the issues with multiple irqs.
I am resending based on feedback. I decoupled the dma mask for
consistent memory and fixed leak with multiple irq in error path.
Thanks to Manfred for catching the spin lock problem.
Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>
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Fixes Rhine I cards disclosing fragments of previously transmitted frames
in new transmissions.
Before transmission, any socket buffer (skb) shorter than the ethernet
minimum length of 60 bytes was zero-padded. On Rhine I cards the data can
later be copied into an aligned transmission buffer without copying this
padding. This resulted in the transmission of the frame with the extra
bytes beyond the provided content leaking the previous contents of this
buffer on to the network.
Now zero-padding is repeated in the local aligned buffer if one is used.
Following a suggestion from the via-rhine maintainer, no attempt is made
here to avoid the duplicated effort of padding the skb if it is known that
an aligned buffer will definitely be used. This is to make the change
"obviously correct" and allow it to be applied to a stable kernel if
necessary. There is no change to the flow of control and the changes are
only to the Rhine I code path.
The patch has run on an in-service Rhine-I host without incident. Frames
shorter than 60 bytes are now correctly zero-padded when captured on a
separate host. I see no unusual stats reported by ifconfig, and no unusual
log messages.
Signed-off-by: Craig Brind <craigbrind@gmail.com>
Signed-off-by: Roger Luethi <rl@hellgate.ch>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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On Sat, Mar 11, Olaf Hering wrote:
> Why is the /sys/class/net/eth0/device symlink not created for the
> mv643xx_eth driver? Does this work for other platform device drivers?
> Seems to work for the ps2 keyboard at least.
The SET_NETDEV_DEV has to be done before a call to register_netdev. With
the new patch below, the device symlink for the platform device was
created. Unfortunately, after the 4 ls commands, the network connection
died. No idea if the box crashed or if something else broke, lost remote
access.
Provide sysfs 'device' in /class/net/ethN Also, set module owner field,
like pcnet32 driver does.
Signed-off-by: Olaf Hering <olh@suse.de>
Acked-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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