| Commit message (Collapse) | Author | Age |
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Adds a vflip quirk for the Bruneinit laptop. Thanks to Jörg for the report
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Since 2.6.32(-rc1), DVB core checks the return value of
dvb_frontend_ops.set_frontend. Now it becomes apparent that firedtv
always returned a bogus value from its set_frontend method.
CC: stable@kernel.org
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This solves a problem in firedtv that has become major for Swedish DVB-T
users the last month or so. It will most likely solve issues seen by
other users as well.
If the length of an AVC message is greater than 127, the length field
should be encoded in LV mode instead of V mode. V mode can only be used
if the length is 127 or less. This patch ensures that the CA_PMT
message is always encoded in LV mode so PMT message of greater lengths
can be supported.
Signed-off-by: Henrik Kurelid <henrik@kurelid.se>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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waiting processes
The s2255 driver had logic which aborted processing of a video frame
if there was no process waiting on the video buffer in question. That
simply doesn't work when the application is doing things in an
asynchronous manner. If the application went to the trouble to queue
the buffer in the first place, then the driver should always attempt
to complete it - even if the application at that moment has its
attention turned elsewhere. Applications which always blocked waiting
for I/O on the capture device would not have been affected by this.
Applications which *mostly* blocked waiting for I/O on the capture
device probably only would have been somewhat affected (frame lossage,
at a rate which goes up as the application blocks less). Applications
which never blocked on the capture device (e.g. polling only) however
would never have been able to receive any video frames, since in that
case this "is anyone waiting on this?" check on the buffer never would
have evalutated true. This patch just deletes that harmful check
against the buffer's wait queue.
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
CC: stable@kernel.org
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Hauppauge USB IDs
Add support for three new Hauppauge Device USB IDs:
2040:b900
2040:b910
2040:c000
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Because the counters were not reset when starting up streaming, they would
be reused from the previous run. This can result in cases such that when the
second instance of streaming starts up, the "cnt" variable in
em28xx_audio_isocirq() can end up being negative, resulting in attempting to
write to memory before the start of runtime->dma_area (as well as having a
negative number of bytes to copy).
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The bttv driver function which handles switching of the video standard
(set_tvnorm() in bttv-driver.c) includes a check which can optionally
also reset the cropping configuration to a default value. It is
"optional" based on a comparison of the cropcap parameters of the
previous vs the newly requested video standard. The comparison is
being done with a memcmp(), a function which only returns a true value
if the comparison actually fails.
This if-statement appears to have been written to assume wrong
memcmp() semantics. That is, it was re-initializing the cropping
configuration only if the new video standard did NOT have different
cropcap values. That doesn't make any sense. One definitely should
reset things if the cropcap parameters are different - if there's any
comparison to made at all.
The effect of this problem was that a transition from, say, PAL to
NTSC would leave in place old cropping setup that made sense for the
PAL geometry but not for NTSC. If the application doesn't care about
cropping it also won't try to reset the cropping configuration,
resulting in an improperly cropped video frame. In the case I was
testing this actually caused black video frames to be displayed.
Another interesting effect of this bug is that if one does something
which does NOT change the video standard and this function is run,
then the cropping setup gets reset anyway - again because of the
backwards comparison. It turns out that just running anything which
merely opens and closes the video device node (e.g. v4l-info) will
cause this to happen. One can argue that simply opening the device
node and not doing anything to it should not mess with any of its
state - but because of this behavior, any TV app which does such
things (e.g. xawtv) probably therefore doesn't see the problem.
The solution is to fix the sense of the if-statement. It's easy to
see how this mistake could have been made given how memcmp() works.
The patch is therefore removal of a single "!" character from the
if-statement in set_tvnorm in bttv-driver.c.
Signed-off-by: Mike Isely <isely@pobox.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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There is a subtle interaction in the bttv driver which can result in
fields being repeatedly processed out of order. This is a problem
specifically when running in V4L2_FIELD_ALTERNATE mode (probably the
most common case).
1. The determination of which fields are associated with which buffers
happens in videobuf, before the bttv driver gets a chance to queue the
corresponding DMA. Thus by the point when the DMA is queued for a
given buffer, the algorithm has to do the queuing based on the
buffer's already assigned field type - not based on which field is
"next" in the video stream.
2. The driver normally tries to queue both the top and bottom fields
at the same time (see bttv_irq_next_video()). It tries to sort out
top vs bottom by looking at the field type for the next 2 available
buffers and assigning them appropriately.
3. However the bttv driver *always* actually processes the top field
first. There's even an interrupt set aside for specifically
recognizing when the top field has been processed so that it can be
marked done even while the bottom field is still being DMAed.
Given all of the above, if one gets into a situation where
bttv_irq_next_video() gets entered when the first available buffer has
been pre-associated as a bottom field, then the function is going to
process the buffers out of order. That first available buffer will be
put into the bottom field slot and the buffer after that will be put
into the top field slot. Problem is, since the top field is always
processed first by the driver, then that second buffer (the one after
the first available buffer) will be the first one to be finished.
Because of the strict fifo handling of all video buffers, then that
top field won't be seen by the app until after the bottom field is
also processed. Worse still, the app will get back the
chronologically later bottom field first, *before* the top field is
received. The buffer's timestamps will even be backwards.
While not fatal to most TV apps, this behavior can subtlely degrade
userspace deinterlacing (probably will cause jitter). That's probably
why it has gone unnoticed. But it will also cause serious problems if
the app in question discards all but the latest received buffer (a
latency minimizing tactic) - causing one field to only ever be
displayed since the other is now always late. Unfortunately once you
get into this state, you're stuck this way - because having consumed
two buffers, now the next time around the "first" available buffer
will again be a bottom field and the same thing happens.
How can we get into this state? In a perfect world, where there's
always a few free buffers queued to the driver, it should be
impossible. However if something disrupts streaming, e.g. if the
userspace app can't queue free buffers fast enough for a moment due
perhaps to a CPU scheduling glitch, then the driver can get
momentarily starved and some number of fields will be dropped. That's
OK. But if an odd number of fields get dropped, then that "first"
available buffer might be the bottom field and now we're stuck...
This patch fixes that problem by deliberately only setting up a single
field for one frame if we don't get a top field as the first available
buffer. By purposely skipping the other field, then we only handle a
single buffer thus bringing things back into proper sync (i.e. top
field first) for the next frame. To do this we just drop the few
lines in bttv_irq_next_video() that attempt to set up the second
buffer when that second buffer isn't for the bottom field.
This is definitely a problem in when in V4L2_FIELD_ALTERNATE mode. In
the other modes this change either has no effect or doesn't harm
things any further anyway.
Signed-off-by: Mike Isely <isely@pobox.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The lack of #include <linux/vmalloc.h> caused a compile error on some
architectures.
Signed-off-by: HIRANO Takahito <hiranotaka@zng.info>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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change
Commit b4028437876866aba4747a655ede00f892089e14 has broken again re-use of
device objects across device_register() / device_unregister() cycles. Fix
soc-camera by nullifying the struct after device_unregister().
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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A missed conversion prevents correct pixel format negotiation with client
drivers.
Reported-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fix a bug in cropping calculation, when the client is also scaling the image.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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When we call gspca_frame_add, it returns a pointer to the frame passed in,
unless we call it with LAST_PACKET, when it will return a pointer to a
new frame in which to store the frame data for the next frame.
The frame pointer was not updated in stv06xx and ov518.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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tda18271_rf_tracking_filters_init
While having tda18271 module set with debug=17 (cal & info prints) and
cal=0 (delay calibration process until first use) - I discovered that
during the calibration process, if the frequency test for 69750000
returned a bcal of 0 (see tda18721-fe.c in tda18271_powerscan func) that
the tuner wouldn't be able to pickup any of the frequencies in the range
(all the other frequencies bands returned bcal=1). I spent some time
going over the code and the NXP's tda18271 spec (ver.4 of it i think) and
adding a lot of debug prints and walking/stepping through the calibration
process. I found that when the powerscan fails to find a frequency, the
rf calibration is not run and the default value is supposed to be used in
its place (pulled from the RF_CAL_map table) - but something was getting
goofed up there.
Now, my c coding skills are very rusty, but i think root of the problem is
a signedness issue with the math operation for calculating the rf_a1 and
rf_a2 values in tda18271_rf_tracking_filters_init func, which results in
values like 20648 for rf_a1 (when it should probably have a value like 0,
or so slightly negative that it should be zero - this bad value for rf_a1
would in turn makes the approx calc within
tda18271c2_rf_tracking_filters_correction go out of whack). The simplest
solution i found was to explicitly convert the signedness of the
denominator to avoid the implicit conversion. The values placed into the
u32 rf_freq array should never exceed about 900mhz, so i think the s32 max
value shouldn't be an issue in this case.
I've tested it out a little, and even when i get a bcal=0 with the
modified code, the default calibration value gets used, rf_a1 is zero, and
the tuner seems to lock on the stream and mythtv seems to play it fine.
Signed-off-by: Seth Barry <seth@cyberseth.com>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Multiplication by 62500 causes an overflow in the 32 bit freq variable,
which is later divided by 1000 when using FM radio.
This patch prevents the overflow by scaling the frequency value correctly
upfront. Thanks to Henk Vergonet for spotting the problem and providing
a preliminary patch, which this changeset was based upon.
Cc: Henk Vergonet <Henk.Vergonet@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fixing kernel oops when driver attemps to load xc2028 firmware.
Note by djh: the patch contribute by Martin is a port of a fix I made during
the PCTV 340e development. It's a temporary workaround that fixes a regression
(an OOPS condition) and the real fix should be in the code that manages the
i2c master on the dib7000p. But this fix does address the immmediate
regression and should be merged upstream until we do a cleaner fix.
Signed-off-by: Martin Samek <martin@marsark.sytes.net>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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git commit db48138f6bc4d2b613b08731ffc8b319432ebc25 changed by accident the
assignment of certain USB IDs to their device-specific-handlers.
Thanks to Edward Sheldrake for finding this regression
Signed-off-by: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fix build dependency on function, dib0070_ctrl_agc_filter
[mchehab@redhat.com: reverted the quick workaround 3f48258e50ef4]
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The commit d79c326 ("gpio-addr-flash: new driver for GPIO assisted
flash addressing") removed two lines from the Makefile by accident.
Though I'm not sure how this accident happened, this patch reverts the
removal.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c: Add an interface to lock/unlock an I2C bus segment
i2c-piix4: Modify code name SB900 to Hudson-2
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Some drivers need to be able to prevent access to an I2C bus segment
for a specific period of time. Add an interface for them to do so
without twiddling with i2c-core internals.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
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Change SB900 to its formal code name Hudson-2.
Signed-off-by: Crane Cai <crane.cai@amd.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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* 'for-linus' of git://neil.brown.name/md:
md/raid5: make sure curr_sync_completes is uptodate when reshape starts
md: don't clear endpoint for resync when resync is interrupted.
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This value is visible through sysfs and is used by mdadm
when it manages a reshape (backing up data that is about to be
rearranged). So it is important that it is always correct.
Current it does not get updated properly when a reshape
starts which can cause problems when assembling an array
that is in the middle of being reshaped.
This is suitable for 2.6.31.y stable kernels.
Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
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If a 'sync_max' has been set (via sysfs), it is wrong to clear it
until a resync (or reshape or recovery ...) actually reached that
point.
So if a resync is interrupted (e.g. by device failure),
leave 'resync_max' unchanged.
This is particularly important for 'reshape' operations that do not
change the size of the array. For such operations mdadm needs to
monitor the reshape taking rolling backups of the section being
reshaped. If resync_max gets cleared, the reshape can get ahead of
mdadm and then the backups that mdadm creates are useless.
This is suitable for 2.6.31.y stable kernels.
Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (34 commits)
net/fsl_pq_mdio: add module license GPL
can: fix WARN_ON dump in net/core/rtnetlink.c:rtmsg_ifinfo()
can: should not use __dev_get_by_index() without locks
hisax: remove bad udelay call to fix build error on ARM
ipip: Fix handling of DF packets when pmtudisc is OFF
qlge: Set PCIe reset type for EEH to fundamental.
qlge: Fix early exit from mbox cmd complete wait.
ixgbe: fix traffic hangs on Tx with ioatdma loaded
ixgbe: Fix checking TFCS register for TXOFF status when DCB is enabled
ixgbe: Fix gso_max_size for 82599 when DCB is enabled
macsonic: fix crash on PowerBook 520
NET: cassini, fix lock imbalance
ems_usb: Fix byte order issues on big endian machines
be2net: Bug fix to send config commands to hardware after netdev_register
be2net: fix to set proper flow control on resume
netfilter: xt_connlimit: fix regression caused by zero family value
rt2x00: Don't queue ieee80211 work after USB removal
Revert "ipw2200: fix oops on missing firmware"
decnet: netdevice refcount leak
netfilter: nf_nat: fix NAT issue in 2.6.30.4+
...
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or it will taint the kernel and fail to load becuase
of_address_to_resource() is GPL only.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On older kernels, e.g. 2.6.27, a WARN_ON dump in rtmsg_ifinfo()
is thrown when the CAN device is registered due to insufficient
skb space, as reported by various users. This patch adds the
rtnl_link_ops "get_size" to fix the problem. I think this patch
is required for more recent kernels as well, even if no WARN_ON
dumps are triggered. Maybe we also need "get_xstats_size" for
the CAN xstats.
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The hisax ISDN driver fails to build on ARM with CONFIG_HISAX_ELSA:
| drivers/built-in.o: In function `modem_set_dial':
| drivers/isdn/hisax/elsa_ser.c:535: undefined reference to `__bad_udelay'
| drivers/isdn/hisax/elsa_ser.c:544: undefined reference to `__bad_udelay'
| drivers/built-in.o: In function `modem_set_init':
| drivers/isdn/hisax/elsa_ser.c:486: undefined reference to `__bad_udelay'
| [...]
According to the comment in arch/arm/include/asm/delay.h, __bad_udelay
is specifically designed on ARM to produce a build failure when udelay
is called with a value > 2000.
Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This device requires a fundamental reset when recovering from EEH.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This line was accidentally left out of the previous commit #
da03945140a035a2962f7f93e359085596f20499 ("qlge: Fix firmware mailbox
command timeout.").
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When ioatdma was loaded we we were unable to transmit traffic. We weren't
using the correct registers in ixgbe_update_tx_dca for 82599 systems.
Likewise in ixgbe_configure_tx() we weren't disabling the arbiter before
modifying MTQC.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When DCB is enabled, the ixgbe_check_tx_hang() should check the corresponding
TC's TXOFF in TFCS based on the TC that the tx ring belongs to. Adds a
function to map from the tx_ring hw reg_idx to the correspodning TC and read
TFCS accordingly.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 32k gso_max_size when DCB is enabled is for 82598 only, not for 82599.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No-one seems to know where the PowerBook 500 series store their ethernet
MAC addresses. So, rather than crash, use a MAC address from the SONIC
CAM. Failing that, generate a random one.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Stanse found that one error path in cas_open omits to unlock pm_mutex.
Fix that.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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CPC-USB is using a ARM7 core with little endian byte order. The "id" field
in can_msg needs byte order conversion from/to CPU byte order.
Signed-off-by: Sebastian Haas <haas@ems-wuensche.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sending config commands to be2 hardware before netdev_register is
completed, is sometimes causing the async link notification to arrive
even before the driver is ready to handle it. The commands for vlan
config and flow control settings can infact wait till be_open.
This patch takes care of that.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If be2 goes into suspend after a user changes the flow control settings,
we are not programming them back after resume. This patch takes care of it.
We now get the flow control settings before going to suspend mode and
then apply them during resume.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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This prevents the rt2x00 driver from queueing ieee80211 work after the
USB card has been removed, preventing a kernel panic.
Signed-off-by: Sean Cross <sean@chumby.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This reverts commit e6c5fc53d0f44a772398402ee8a1879818e42b4e.
Based on this regression report:
Date: Thu, 05 Nov 2009 15:59:16 +0100
From: Holger Schurig <holgerschurig@gmail.com>
To: linux-wireless@vger.kernel.org
Subject: BUG: oops when "rmmod ipw2200"
This happened on wireless-testing v2.6.32-rc6-41575-g5e68bfb. I
modprobed ipw2200, put it into monitor mode, used tshark a while to
monitor, then I stopped tshark, "ifconfig eth2 down" and finally
"rmmod ipw2200", and voila:
[ 917.189620] ------------[ cut here ]------------
[ 917.189717] kernel BUG at net/wireless/core.c:543!
[ 917.189805] invalid opcode: 0000 [#1] PREEMPT SMP
[ 917.190002] last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:02:0d.0/firmware/0000:02:0d.0/loading
[ 917.190136] Modules linked in: lib80211_crypt_wep ipw2200(-) libipw lib80211 ath5k mac80211 ath cfg80211 psmouse uhci_hcd
[ 917.190680]
[ 917.190759] Pid: 1763, comm: rmmod Not tainted (2.6.32-rc6-wl #26) Amilo M1425
[ 917.190886] EIP: 0060:[<f8accf34>] EFLAGS: 00010202 CPU: 0
[ 917.190992] EIP is at wiphy_unregister+0xd3/0x175 [cfg80211]
[ 917.191083] EAX: f601d4c4 EBX: 00000000 ECX: 00000000 EDX: f79e8600
[ 917.191176] ESI: f601d400 EDI: f95b4350 EBP: f6009eb4 ESP: f6009e8c
[ 917.191269] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 917.191360] Process rmmod (pid: 1763, ti=f6008000 task=f79e8130 task.ti=f6008000)
[ 917.191486] Stack:
[ 917.191562] f601d5a0 f601d484 f6460e98 f6009ea0 c01407ee f6009eb8 00000246 f64604c0
[ 917.191916] <0> f6460e5c f95b4350 f6009ec0 f94fd030 f6460e98 f6009edc f95a9d4f f787bc00
[ 917.192100] <0> f787bc58 f787bc00 f95b4350 f95b4350 f6009ee8 c0207fca f787bc58 f6009ef8
[ 917.192100] Call Trace:
[ 917.192100] [<c01407ee>] ? trace_hardirqs_on+0xb/0xd
[ 917.192100] [<f94fd030>] ? unregister_ieee80211+0xe/0x27 [libipw]
[ 917.192100] [<f95a9d4f>] ? ipw_pci_remove+0x59/0x227 [ipw2200]
[ 917.192100] [<c0207fca>] ? pci_device_remove+0x19/0x39
[ 917.192100] [<c02b93a4>] ? __device_release_driver+0x59/0x9d
[ 917.192100] [<c02b944f>] ? driver_detach+0x67/0x85
[ 917.192100] [<c02b88d6>] ? bus_remove_driver+0x69/0x85
[ 917.192100] [<c02b9878>] ? driver_unregister+0x4d/0x54
[ 917.192100] [<c02081c3>] ? pci_unregister_driver+0x28/0x71
[ 917.192100] [<f95a9cf4>] ? ipw_exit+0x1c/0x1e [ipw2200]
[ 917.192100] [<c0148e2b>] ? sys_delete_module+0x192/0x1ef
[ 917.192100] [<c0162cdb>] ? remove_vma+0x52/0x58
[ 917.192100] [<c01028bb>] ? sysenter_exit+0xf/0x18
[ 917.192100] [<c0102888>] ? sysenter_do_call+0x12/0x36
[ 917.192100] Code: 74 07 e8 81 bc 8c c7 eb c8 8d 55 e0 89 f8 e8 d6 6d 66 c7 8b 45 dc 31 d2 e8 81 cc 8c c7 8d 86 c4 00 00 00 39 86 c4 00 00 00 74 04 <0f> 0b eb fe 8b 45 dc 8d 5e 0c e8 5a cc 8c c7 8b 86 94 03 00 00
[ 917.192100] EIP: [<f8accf34>] wiphy_unregister+0xd3/0x175 [cfg80211] SS:ESP 0068:f6009e8c
[ 917.203718] ---[ end trace bcaaf449945a5100 ]---
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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As reported by Rick Farina (sidhayn@gmail.com), removing the RTL8187
USB stick, or unloading the driver rtl8187 using rmmod will cause a
kernel oops. There are at least two forms of the failure, (1) BUG:
Scheduling while atomic, and (2) a fatal kernel page fault. This
problem is reported in Bugzilla #14539.
This problem does not occur for kernel 2.6.31, but does for 2.6.32-rc2,
thus it is technically a regression; however, bisection did not locate
any faulty patch. The fix was found by comparing the faulty code in
rtl8187 with p54usb. My interpretation is that the handling of work
queues in mac80211 changed enough to the LEDs to be unregistered
before tasks on the work queues are cancelled. Previously, these
actions could be done in either order.
(Herton Ronaldo Krzesinski <herton@mandriva.com.br> reports that the
code is the same in 2.6.31, so this may be a candidate for 2.6.31.x.
-- JWL)
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: Rick Farina <sidhayn@gmail.com>
Tested-by: Rick Farina <sidhayn@gmail.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit
3d1285b (move virtnet_remove to .devexit.text)
introduced the first reference to __devexit in struct virtio_driver
virtio_net which upset modpost ("Section mismatch in reference from the
variable virtio_net to the function .devexit.text:virtnet_remove()").
Fix this by renaming virtio_net to virtio_net_driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Blame-taken-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check whether index is within bounds before testing the element.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The negation makes it a bool before the comparison and hence it
will never be 0x40.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When diva_strace_read_uint returns an error, return even from
process_idi_event, because l2_state is uninitialized.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Acked-by: Armin Schindler <armin@melware.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use offsetof instead of explicit implementation.
* fixes bug with omitted & like:
len = (byte)(((T30_INFO *) 0)->station_id + 20)
* avoids compiler warnings with wrong sizes (pointer-to-char cast):
len = (byte)(&(((T30_INFO *) 0)->universal_6));
* cleans up the code
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Acked-by: Armin Schindler <armin@melware.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current code probably returns -EINVAL a lot. Otherwise it would oops.
Compile tested only. Found by smatch (http://repo.or.cz/w/smatch.git).
Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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