| Commit message (Collapse) | Author | Age | Files | Lines |
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The kernel contains some special internal keyrings, for instance the DNS
resolver keyring :
2a93faf1 I----- 1 perm 1f030000 0 0 keyring .dns_resolver: empty
It would occasionally be useful to allow the contents of such keyrings to be
flushed by root (cache invalidation).
Allow a flag to be set on a keyring to mark that someone possessing the
sysadmin capability can clear the keyring, even without normal write access to
the keyring.
Set this flag on the special keyrings created by the DNS resolver, the NFS
identity mapper and the CIFS identity mapper.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
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Recent changes to kernel/module.c caused the following compile
error:
kernel/module.c: In function ‘show_taint’:
kernel/module.c:1024:2: error: implicit declaration of function ‘module_flags_taint’ [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
Correct this error by moving the definition of module_flags_taint
outside of the #ifdef CONFIG_MODULE_UNLOAD section.
Signed-off-by: Kevin Winchester <kjwinchester@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (655 commits)
[media] revert patch: HDIC HD29L2 DMB-TH USB2.0 reference design driver
mb86a20s: Add a few more register settings at the init seq
mb86a20s: Group registers into the same line
[media] [PATCH] don't reset the delivery system on DTV_CLEAR
[media] [BUG] it913x-fe fix typo error making SNR levels unstable
[media] cx23885: Query the CX25840 during enum_input for status
[media] cx25840: Add support for g_input_status
[media] rc-videomate-m1f.c Rename to match remote controler name
[media] drivers: media: au0828: Fix dependency for VIDEO_AU0828
[media] convert drivers/media/* to use module_platform_driver()
[media] drivers: video: cx231xx: Fix dependency for VIDEO_CX231XX_DVB
[media] Exynos4 JPEG codec v4l2 driver
[media] doc: v4l: selection: choose pixels as units for selection rectangles
[media] v4l: s5p-tv: mixer: fix setup of VP scaling
[media] v4l: s5p-tv: mixer: add support for selection API
[media] v4l: emulate old crop API using extended crop/compose API
[media] doc: v4l: add documentation for selection API
[media] doc: v4l: add binary images for selection API
[media] v4l: add support for selection api
[media] hd29l2: fix review findings
...
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I added it by mistake. It is useless as no real hardware.
It even uses even Cypress FX2, general USB bridge chip, default IDs
that makes driver load all FX2 devices having default ID...
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Some time ago, Manoel sent us a patch adding more stuff
to the init sequence. However, his patch were also doing
non-related stuff, by changing the init logic without
any good reason. So, it was asked for him to submit a
patch with just the data that has changed, in order to
allow us to better analyze it.
As he didn't what it was requested, I finally found some
time to dig into his init sequence and add it here.
Basically, new stuff is added there. There are a few changes:
1) The removal of the extra (duplicated) logic that puts
the chip into the serial mode;
2) Some Viterbi VBER measurement init data was changed from
0x00 to 0xff for layer A, to match what was done for
layers B and C.
None of those caused any regressions and both make sense
on my eyes.
The other parameters additions actually increased the
tuning quality for some channels. Yet, some channels that
were previously discovered with scan disappered, while
others appeared instead. This were tested in Brasilia,
with an external antena.
At the overall, it is now a little better. So, better to
add these, and then try to figure out a configuration that
would get even better scanning results.
Reported-by: Manoel Pinheiro <pinusdtv@hotmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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On mb86a20s, some registers have sub-addresses, while others not.
In order to make easier to compare different settings, group them.
No functional changes in this patch.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As a DVBv3 application may be relying on the delivery system,
don't reset it at DTV_CLEAR. For DVBv5 applications, the
delivery system should be set anyway.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fix error where SNR unstable and jumps levels.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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We can pass a NO_SIGNAL video decoder state back to applications
if it's available.
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Allow bridge drivers to query status.
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This remote was added with support for card Compro VideoMate M1F.
This remote is shipped with various Compro cards, not this one only.
Furthermore this remote can be bought separately under name Compro
VideoMate K100.
http://compro.com.tw/en/product/k100/k100.html
So give it a proper name.
[mchehab@redhat.com: Fix the Makefile]
Signed-off-by: Samuel Rakitničan <samuel.rakitnican@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fix the following build warning:
warning: (VIDEO_AU0828) selects DVB_AU8522 which has unmet direct dependencies (MEDIA_SUPPORT && DVB_CAPTURE_DRIVERS && DVB_CORE && I2C && VIDEO_V4L2)
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch converts the drivers in drivers/media/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Cc: "Richard Röjfors" <richard.rojfors@pelagicore.com>
Cc: "Matti J. Aaltonen" <matti.j.aaltonen@nokia.com>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Manjunath Hadli <manjunath.hadli@ti.com>
Cc: Muralidharan Karicheri <m-karicheri2@ti.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Daniel Drake <dsd@laptop.org>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Matti J. Aaltonen <matti.j.aaltonen@nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fix the following build warning:
warning: (VIDEO_CX231XX_DVB) selects DVB_MB86A20S which has unmet direct dependencies (MEDIA_SUPPORT && DVB_CAPTURE_DRIVERS && DVB_CORE && I2C)
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add driver for the JPEG codec IP block available in Samsung Exynos SoC series.
The driver is implemented as a V4L2 mem-to-mem device. It exposes two video
nodes to user space, one for the encoding part, and one for the decoding part.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Sakari Ailus <sakari.ailus@iki.fi>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Pixels were preferred units for selection rectangles over driver-dependent
units for almost all use cases. Therefore the units were fixed to pixels.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Adjusting of Video Processor's scaling factors was flawed. It bounded scaling
to range 1/16 to 1/1. The correct range should be 1/4 to 4/1. This patch fixes
this bug.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch add support for V4L2 selection API to s5p-tv driver. Moreover it
removes old API for cropping. Old applications would still work because the
crop ioctls are emulated using the selection API.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch allows new video drivers to work correctly with applications that
use the old-style crop API. The old crop ioctl is emulated by using selection
callbacks.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch adds a documentation for VIDIOC_{G/S}_SELECTION ioctl. Moreover, the
patch adds the description of modeling of composing, cropping and scaling
features in V4L2. Finally, some examples are presented.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch adds images in binary format for the V4L2 selection API.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch introduces new api for a precise control of cropping and composing
features for video devices. The new ioctls are VIDIOC_S_SELECTION and
VIDIOC_G_SELECTION.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fix some issues pointed out by Mauro.
Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Allow use of that general callback for demod too.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The card definition of the Terratec Cinergy 200 USB uses the
wrong tuner type. Therefore some channels are currently missing.
Attached patch fixes this problem.
Signed-off-by: Sascha Sommer <saschasommer@freenet.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The MaxPacketSize for em2800 based devices is too small to capture at full resolution.
Therefore scale down when the maximum frame size is selected.
The previous workaround that simply reduced the X resolution cannot be used
because it crops a part of the input as
the em2800 can only scale down with a factor of 0.5.
reverts commits 1ca31892e and fb3de0398ab.
[mchehab@redhat.com: Fix CodingStyle]
Signed-off-by: Sascha Sommer <saschasommer@freenet.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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writing the EM28XX_R06_I2C_CLK register leads to the problem that the
i2c bus on the Terratec Cinergy 200 USB is no longer usable when the
system is rebooted.
The device needs to be unplugged in order to bring it back to life.
Attached patch conditionally disables the write in
em28xx_pre_card_setup() like it is already done in em28xx_card_setup().
Signed-off-by: Sascha Sommer <saschasommer@freenet.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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It looks like the return value check that is done after setting the I2C
speed checks the wrong return code.
Signed-off-by: Sascha Sommer <saschasommer@freenet.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The 'struct em28xx *' pointer was passed by reference to the
em28xx_init_dev() function, for no reason. Instead, just pass it by
value, which is much more logical and simple.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The af9005_properties and af9015_properties tables make use of USB ids
from the USB id tables with hardcoded indices, as in
"&af9015_usb_table[30]". Adding new entries before the end breaks
such references, so everyone has had to carefully tiptoe to only add
entries at the end of the list.
In the spirit of "dw2102: use symbolic names for dw2102_table
indices", use C99-style initializers with symbolic names for each
index to avoid this. In the new regime, properties tables referring
to the USB ids have names like "&af9015_usb_table[CINERGY_T_STICK_RC]"
that do not change meaning when items in the USB id table are
reordered.
Encouraged-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Acked-by: Luca Olivetti <luca@ventoso.org>
Acked-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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usb_alloc_urb()
URBs allocated with usb_alloc_urb() are allocated from DMA-coherent
areas, and therefore it is not necessary to call dma_map_single() on
such buffers. Worst, on ARM, calling dma_map_single() on a
DMA-coherent buffer will trigger a BUG_ON() in
arch/arm/mm/dma-mapping.c.
Therefore, we mark all URBs allocated with usb_alloc_urb() with the
URB_NO_TRANSFER_DMA_MAP transfer_flags, so that the USB core does not
do dma_map_single()/dma_unmap_single() on those buffers.
This is similar to 882787ff8fdeb0be790547ee9b22b281095e95da for the
gspca driver, and has already been discussed on the linux-media list
in the past:
http://www.mail-archive.com/linux-media@vger.kernel.org/msg37086.html.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The 'struct cx231xx *' pointer was passed by reference to the
cx231xx_init_dev() function, for no reason. Instead, just pass it by
value, which is much more logical and simple.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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DVB-T did not work at all - only 6 MHz was working but it is not
commonly used.
Fix it.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The driver were using DEV_MISCONFIGURED on some places, and
DEV_DISCONNECTED on others. In a matter of fact, DEV_MISCONFIGURED
were set only during the usb disconnect callback, with
was confusing.
Also, the alsa driver never checks if the device is present,
before doing some dangerous things.
Remove DEV_MISCONFIGURED, replacing it by DEV_DISCONNECTED.
Also, fixes the other usecases for DEV_DISCONNECTED.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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cx231xx_devused is racy. Re-implement it in a proper way,
to remove the risk of mangling it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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There are several weirdness at the unregister logic.
First of all, IR has a poll thread. This thread needs to be
removed, as it uses some resources associated to the main driver.
So, the driver needs to explicitly unregister the I2C client for
ir-kbd-i2c.
If, for some reason, the driver needs to wait for a close()
to happen, not all memories will be freed, because the free
logic were in the wrong place.
Also, v4l2_device_unregister() seems to be called too early,
as devices are still using it.
Finally, even with the device disconnected, there is one
USB function call that will still try to talk with it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Reports the auto-detected parameters to userspace.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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If the device got removed, stops polling it. Also, un-registers
it at input/evdev, as it won't work anymore. We can't free the
IR structure yet, as the ir_remove method will be called later.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Now that we set the intfdata on the right interface, the 'lif'
variable is useless.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The following sequence of commands was triggering a kernel crash in
cdev_get():
modprobe cx231xx
rmmod cx231xx
modprobe cx231xx
v4l2grab -n 1
The problem was that cx231xx_usb_disconnect() was not doing anything
because the test:
if (!dev->udev)
return;
was reached (i.e, dev->udev was NULL).
This is due to the fact that the 'dev' pointer placed as intfdata into
the usb_interface structure had the wrong value, because
cx231xx_probe() was doing the usb_set_intfdata() on the wrong
usb_interface structure. For some reason, cx231xx_probe() was doing
the following:
static int cx231xx_usb_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
struct usb_interface *lif = NULL;
[...]
/* store the current interface */
lif = interface;
[...]
/* store the interface 0 back */
lif = udev->actconfig->interface[0];
[...]
usb_set_intfdata(lif, dev);
[...]
retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
[...]
}
So, the usb_set_intfdata() was done on udev->actconfig->interface[0]
and not on the 'interface' passed as argument to the ->probe() and
->disconnect() hooks. Later on, v4l2_device_register() was
initializing the intfdata of the correct usb_interface structure as a
pointer to the v4l2_device structure.
Upon unregistration, the ->disconnect() hook was getting the intfdata
of the usb_interface passed as argument... and casted it to a 'struct
cx231xx *' while it was in fact a 'struct v4l2_device *'.
The correct fix seems to just be to set the intfdata on the proper
interface from the beginning. Now, loading/unloading/reloading the
driver allows to use the device properly.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As reported by Toralf:
the build failed with :
CC [M] drivers/media/dvb/dvb-core/dvb_ca_en50221.o
In file included from arch/x86/include/asm/uaccess.h:573:0,
from include/linux/poll.h:14,
from drivers/media/dvb/dvb-core/dvbdev.h:27,
from drivers/media/dvb/dvb-core/dvb_ca_en50221.h:27,
from drivers/media/dvb/dvb-core/dvb_ca_en50221.c:41:
In function "copy_from_user", inlined from "dvb_ca_en50221_io_write" at drivers/media/dvb/dvb-core/dvb_ca_en50221.c:1314:26: arch/x86/include/asm/uaccess_32.h:211:26: error: call to "copy_from_user_overflow" declared with attribute error: copy_from_user() buffer size is not provably correct
Reported-by: Toralf Foerster <toralf.foerster@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mario Ceresa <mrceresa@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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These callbacks allow a host video driver
to poll video formats supported by tvp5150.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The patch "dm1105: handle errors from dvb_net_init" moved the
initialization of dvbnet to before frontend attachment but forgot
to adjust the error handling when frontend attachment fails.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This module does some printks with the loglevel missing.
pr_err() takes care of adding the KERN_ERR tag and the module name.
So we can simplify the code and add the missing printk loglevel by
using it.
Also add a #define pr_fmt() to make this work, and remove a few
unnecessary periods at the end of messages and bump the loglevel of
"Unknown bttv card type" from KERN_WARNING to KERN_ERR while at it.
Inspired-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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