linux-toradex.git/drivers/staging, branch v3.2.30 Linux kernel for Apalis and Colibri modules staging: r8712u: fix bug in r8712_recv_indicatepkt() 2012-09-19T14:05:20+00:00 Eric Dumazet edumazet@google.com 2012-09-10T19:22:11+00:00 10b4b8b20803ba45a77fec99a311bed774decc71 commit abf02cfc179bb4bd30d05f582d61b3b8f429b813 upstream. 64bit arches have a buggy r8712u driver, let's fix it. skb->tail must be set properly or network stack behavior is undefined. Addresses https://bugzilla.redhat.com/show_bug.cgi?id=847525 Addresses https://bugzilla.kernel.org/show_bug.cgi?id=45071 Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Dave Jones <davej@redhat.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> 
commit abf02cfc179bb4bd30d05f582d61b3b8f429b813 upstream.

64bit arches have a buggy r8712u driver, let's fix it.

skb->tail must be set properly or network stack behavior is undefined.

Addresses https://bugzilla.redhat.com/show_bug.cgi?id=847525
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=45071

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Dave Jones <davej@redhat.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
staging: zcache: fix cleancache race condition with shrinker 2012-09-19T14:05:11+00:00 Seth Jennings sjenning@linux.vnet.ibm.com 2012-08-29T21:58:45+00:00 62744fbfed6add6d174ce72753cf0157b6e6be99 commit 6d7d9798ad5c97ee4e911dd070dc12dc5ae55bd0 upstream. This patch fixes a race condition that results in memory corruption when using cleancache. The race exists between the zcache shrinker handler, shrink_zcache_memory() and cleancache_get_page(). In most cases, the shrinker will both evict a zbpg from its buddy list and flush it from tmem before a cleancache_get_page() occurs on that page. A subsequent cleancache_get_page() will fail in the tmem layer. In the rare case that two occur together and the cleancache_get_page() path gets through the tmem layer before the shrinker path can flush tmem, zbud_decompress() does a check to see if the zbpg is a "zombie", i.e. not on a buddy list, which means the shrinker is in the process of reclaiming it. If the zbpg is a zombie, zbud_decompress() returns -EINVAL. However, this return code is being ignored by the caller, zcache_pampd_get_data_and_free(), which results in the caller of cleancache_get_page() thinking that the page has been properly retrieved when it has not. This patch modifies zcache_pampd_get_data_and_free() to convey the failure up the stack so that the caller of cleancache_get_page() knows the page retrieval failed. This needs to be applied to stable trees as well. zcache-main.c was named zcache.c before v3.1, so I'm not sure how you want to handle trees earlier than that. Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Minchan Kim <minchan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> 
commit 6d7d9798ad5c97ee4e911dd070dc12dc5ae55bd0 upstream.

This patch fixes a race condition that results in memory
corruption when using cleancache.

The race exists between the zcache shrinker handler,
shrink_zcache_memory() and cleancache_get_page().

In most cases, the shrinker will both evict a zbpg
from its buddy list and flush it from tmem before a
cleancache_get_page() occurs on that page. A subsequent
cleancache_get_page() will fail in the tmem layer.

In the rare case that two occur together and the
cleancache_get_page() path gets through the tmem
layer before the shrinker path can flush tmem,
zbud_decompress() does a check to see if the zbpg is a
"zombie", i.e. not on a buddy list, which means the shrinker
is in the process of reclaiming it. If the zbpg is a zombie,
zbud_decompress() returns -EINVAL.

However, this return code is being ignored by the caller,
zcache_pampd_get_data_and_free(), which results in the
caller of cleancache_get_page() thinking that the page has
been properly retrieved when it has not.

This patch modifies zcache_pampd_get_data_and_free() to
convey the failure up the stack so that the caller of
cleancache_get_page() knows the page retrieval failed.

This needs to be applied to stable trees as well.
zcache-main.c was named zcache.c before v3.1, so
I'm not sure how you want to handle trees earlier
than that.

Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
staging: vt6656: [BUG] - Failed connection, incorrect endian. 2012-09-19T14:05:08+00:00 Malcolm Priestley tvboxspy@gmail.com 2012-08-29T22:08:21+00:00 7081f1bf324ad65e421bb83fd3c1cb7c974248ad commit aa209eef3ce8419ff2926c2fa944dfbfb5afbacb upstream. Hi, This patch fixes a bug with driver failing to negotiate a connection. The bug was traced to commit 203e4615ee9d9fa8d3506b9d0ef30095e4d5bc90 staging: vt6656: removed custom definitions of Ethernet packet types In that patch, definitions in include/linux/if_ether.h replaced ones in tether.h which had both big and little endian definitions. include/linux/if_ether.h only refers to big endian values, cpu_to_be16 should be used for the correct endian architectures. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> 
commit aa209eef3ce8419ff2926c2fa944dfbfb5afbacb upstream.

Hi,

This patch fixes a bug with driver failing to negotiate a connection.

The bug was traced to commit
203e4615ee9d9fa8d3506b9d0ef30095e4d5bc90
staging: vt6656: removed custom definitions of Ethernet packet types

In that patch, definitions in include/linux/if_ether.h replaced ones
in tether.h which had both big and little endian definitions.

include/linux/if_ether.h only refers to big endian values, cpu_to_be16
should be used for the correct endian architectures.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
staging: comedi: das08: Correct AO output for das08jr-16-ao 2012-09-19T14:05:07+00:00 Ian Abbott abbotti@mev.co.uk 2012-08-31T19:41:30+00:00 f707d86130d5d292c0f2b19d1bd8f2cad128c929 commit 61ed59ed09e6ad2b8395178ea5ad5f653bba08e3 upstream. Don't zero out bits 15..12 of the data value in `das08jr_ao_winsn()` as that knobbles the upper three-quarters of the output range for the 'das08jr-16-ao' board. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> 
commit 61ed59ed09e6ad2b8395178ea5ad5f653bba08e3 upstream.

Don't zero out bits 15..12 of the data value in `das08jr_ao_winsn()` as
that knobbles the upper three-quarters of the output range for the
'das08jr-16-ao' board.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
staging: comedi: das08: Correct AI encoding for das08jr-16-ao 2012-09-19T14:05:07+00:00 Ian Abbott abbotti@mev.co.uk 2012-08-31T19:41:29+00:00 7672832a4ebe555d580a0cdb41a09da0cb8264ba commit e6391a182865efc896cb2a8d79e07b7ac2f45b48 upstream. The element of `das08_boards[]` for the 'das08jr-16-ao' board has the `ai_encoding` member set to `das08_encode12`. It should be set to `das08_encode16` same as the 'das08jr/16' board. After all, this board has 16-bit AI resolution. The description of the A/D LSB register at offset 0 seems incorrect in the user manual "cio-das08jr-16-ao.pdf" as it implies that the AI resolution is only 12 bits. The diagrams of the A/D LSB and MSB registers show 15 data bits and a sign bit, which matches what the software expects for the `das08_encode16` AI encoding method. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> [bwh: Backported to 3.2: adjust indentation] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> 
commit e6391a182865efc896cb2a8d79e07b7ac2f45b48 upstream.

The element of `das08_boards[]` for the 'das08jr-16-ao' board has the
`ai_encoding` member set to `das08_encode12`.  It should be set to
`das08_encode16` same as the 'das08jr/16' board.  After all, this board
has 16-bit AI resolution.

The description of the A/D LSB register at offset 0 seems incorrect in
the user manual "cio-das08jr-16-ao.pdf" as it implies that the AI
resolution is only 12 bits.  The diagrams of the A/D LSB and MSB
registers show 15 data bits and a sign bit, which matches what the
software expects for the `das08_encode16` AI encoding method.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.2: adjust indentation]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Staging: speakup: fix an improperly-declared variable. 2012-09-12T02:37:35+00:00 Christopher Brannon chris@the-brannons.com 2012-06-16T21:55:20+00:00 fc1dd47cd57da67691c13e1f2d3cde814d857ebe commit 4ea418b8b2fa8a70d0fcc8231b65e67b3a72984b upstream. A local static variable was declared as a pointer to a string constant. We're assigning to the underlying memory, so it needs to be an array instead. Signed-off-by: Christopher Brannon <chris@the-brannons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> 
commit 4ea418b8b2fa8a70d0fcc8231b65e67b3a72984b upstream.

A local static variable was declared as a pointer to a string
constant.  We're assigning to the underlying memory, so it
needs to be an array instead.

Signed-off-by: Christopher Brannon <chris@the-brannons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
USB: winbond: remove __devinit* from the struct usb_device_id table 2012-09-12T02:37:12+00:00 Greg Kroah-Hartman gregkh@linuxfoundation.org 2012-08-18T00:48:37+00:00 754e1f26df588c4fb52ecc915afbff6452f0ff98 commit 43a34695d9cd79c6659f09da6d3b0624f3dd169f upstream. This structure needs to always stick around, even if CONFIG_HOTPLUG is disabled, otherwise we can oops when trying to probe a device that was added after the structure is thrown away. Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Reported-by: Bjørn Mork <bjorn@mork.no> CC: Pavel Machek <pavel@ucw.cz> CC: Paul Gortmaker <paul.gortmaker@windriver.com> CC: "John W. Linville" <linville@tuxdriver.com> CC: Eliad Peller <eliad@wizery.com> CC: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> 
commit 43a34695d9cd79c6659f09da6d3b0624f3dd169f upstream.

This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
CC: Pavel Machek <pavel@ucw.cz>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: "John W. Linville" <linville@tuxdriver.com>
CC: Eliad Peller <eliad@wizery.com>
CC: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
USB: vt6656: remove __devinit* from the struct usb_device_id table 2012-09-12T02:37:12+00:00 Greg Kroah-Hartman gregkh@linuxfoundation.org 2012-08-18T00:48:33+00:00 e91f7b801664f7aa25d4cb7420885ee277b19b5c commit 4d088876f24887cd15a29db923f5f37db6a99f21 upstream. This structure needs to always stick around, even if CONFIG_HOTPLUG is disabled, otherwise we can oops when trying to probe a device that was added after the structure is thrown away. Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Reported-by: Bjørn Mork <bjorn@mork.no> CC: Forest Bond <forest@alittletooquiet.net> CC: Marcos Paulo de Souza <marcos.souza.org@gmail.com> CC: "David S. Miller" <davem@davemloft.net> CC: Jesper Juhl <jj@chaosbits.net> CC: Jiri Pirko <jpirko@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> 
commit 4d088876f24887cd15a29db923f5f37db6a99f21 upstream.

This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
CC: Forest Bond <forest@alittletooquiet.net>
CC: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Jesper Juhl <jj@chaosbits.net>
CC: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
lirc_sir: make device registration work 2012-08-09T23:24:35+00:00 Jarod Wilson jarod@redhat.com 2012-06-04T16:05:24+00:00 76a65f00049d773d4f508bc2a6c19f7bb546f49d commit 4b71ca6bce8fab3d08c61bf330e781f957934ae1 upstream. For one, the driver device pointer needs to be filled in, or the lirc core will refuse to load the driver. And we really need to wire up all the platform_device bits. This has been tested via the lirc sourceforge tree and verified to work, been sitting there for months, finally getting around to sending it. :\ CC: Josh Boyer <jwboyer@redhat.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> 
commit 4b71ca6bce8fab3d08c61bf330e781f957934ae1 upstream.

For one, the driver device pointer needs to be filled in, or the lirc core
will refuse to load the driver. And we really need to wire up all the
platform_device bits. This has been tested via the lirc sourceforge tree
and verified to work, been sitting there for months, finally getting
around to sending it. :\

CC: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
staging:rts_pstor:Fix possible panic by NULL pointer dereference 2012-07-04T04:44:14+00:00 wwang wei_wang@realsil.com.cn 2012-03-27T08:43:11+00:00 c4a08668a15a03370b3ba7cae49d1017f2c8434d commit 0d05568ac79bfc595f1eadc3e0fd7a20a45f7b69 upstream. rtsx_transport.c (rtsx_transfer_sglist_adma_partial): pointer struct scatterlist *sg, which is mapped in dma_map_sg, is used as an iterator in later transfer operation. It is corrupted and passed to dma_unmap_sg, thus causing fatal unmap of some erroneous address. Fix it by duplicating *sg_ptr for iterating. Signed-off-by: wwang <wei_wang@realsil.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> 
commit 0d05568ac79bfc595f1eadc3e0fd7a20a45f7b69 upstream.

rtsx_transport.c (rtsx_transfer_sglist_adma_partial):
pointer struct scatterlist *sg, which is mapped in dma_map_sg,
is used as an iterator in later transfer operation. It is corrupted and
passed to dma_unmap_sg, thus causing fatal unmap of some erroneous address.
Fix it by duplicating *sg_ptr for iterating.

Signed-off-by: wwang <wei_wang@realsil.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>