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My static checker complains that we are using "autoneg" without
initializing it. The problem is the ->phy_read() condition is reversed
so we only set this on error instead of success.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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My static checker complained that "v" can be used unintialized if
netxen_rom_fast_read() returns -EIO. That function never actually
returns -1.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When cxgb4 is enabled with CONFIG_CHELSIO_T4_DCB set, VI enable command
gets called with DCB enabled. But when we have a back to back setup with
DCB enabled on one side and non-DCB on the Peer side. Firmware doesn't
send any DCB_L2_CFG, and DCB priority is never set for Tx queue.
But driver resets the queue priority and state machine whenever there
is a link down, this patch fixes it by adding a check to reset only if
cxgb4_dcb_enabled() returns true.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull misc driver fixes from Gfreg KH:
"Here are three small fixes for some driver problems that were
reported. Full details in the shortlog below.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
nvmem: mxs-ocotp: fix buffer overflow in read
Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()
misc: mic: Fix for double fetch security bug in VOP driver
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO driver fixes from Grek KH:
"It's really just IIO drivers here, some small fixes that resolve some
'crash on boot' errors that have shown up in the -rc series, and other
bugfixes that are required.
All have been in linux-next with no reported problems"
* tag 'staging-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: imu: mpu6050: Fix name/chip_id when using ACPI
iio: imu: mpu6050: fix possible NULL dereferences
iio:adc:at91-sama5d2: Repair crash on module removal
iio: ak8975: fix maybe-uninitialized warning
iio: ak8975: Fix NULL pointer exception on early interrupt
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some last-remaining fixes for USB drivers to resolve issues
that have shown up in testing. And two new device ids as well.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
Revert "USB / PM: Allow USB devices to remain runtime-suspended when sleeping"
usb: musb: jz4740: fix error check of usb_get_phy()
Revert "usb: musb: musb_host: Enable HCD_BH flag to handle urb return in bottom half"
usb: musb: gadget: nuke endpoint before setting its descriptor to NULL
USB: serial: cp210x: add Straizona Focusers device ids
USB: serial: cp210x: add ID for Link ECU
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Previously f2fs_preallocate_blocks() tries to allocate unaligned blocks.
In f2fs_write_begin(), however, prepare_write_begin() does not skip its
allocation due to (len != 4KB).
So, it needs locking node page twice unexpectedly.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch enables reading node blocks in advance when truncating large
data blocks.
> time rm $MNT/testfile (500GB) after drop_cachees
Before : 9.422 s
After : 4.821 s
Reported-by: Stephen Bates <stephen.bates@microsemi.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch is to improve the expand_inode speed in fallocate by allocating
data blocks as many as possible in single locked node page.
In SSD,
# time fallocate -l 500G $MNT/testfile
Before : 1m 33.410 s
After : 24.758 s
Reported-by: Stephen Bates <stephen.bates@microsemi.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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When testing f2fs with inline_dentry option, generic/342 reports:
VFS: Busy inodes after unmount of dm-0. Self-destruct in 5 seconds. Have a nice day...
After rmmod f2fs module, kenrel shows following dmesg:
=============================================================================
BUG f2fs_inode_cache (Tainted: G O ): Objects remaining in f2fs_inode_cache on __kmem_cache_shutdown()
-----------------------------------------------------------------------------
Disabling lock debugging due to kernel taint
INFO: Slab 0xf51ca0e0 objects=22 used=1 fp=0xd1e6fc60 flags=0x40004080
CPU: 3 PID: 7455 Comm: rmmod Tainted: G B O 4.6.0-rc4+ #16
Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
00000086 00000086 d062fe18 c13a83a0 f51ca0e0 d062fe38 d062fea4 c11c7276
c1981040 f51ca0e0 00000016 00000001 d1e6fc60 40004080 656a624f 20737463
616d6572 6e696e69 6e692067 66326620 6e695f73 5f65646f 68636163 6e6f2065
Call Trace:
[<c13a83a0>] dump_stack+0x5f/0x8f
[<c11c7276>] slab_err+0x76/0x80
[<c11cbfc0>] ? __kmem_cache_shutdown+0x100/0x2f0
[<c11cbfc0>] ? __kmem_cache_shutdown+0x100/0x2f0
[<c11cbfe5>] __kmem_cache_shutdown+0x125/0x2f0
[<c1198a38>] kmem_cache_destroy+0x158/0x1f0
[<c176b43d>] ? mutex_unlock+0xd/0x10
[<f8f15aa3>] exit_f2fs_fs+0x4b/0x5a8 [f2fs]
[<c10f596c>] SyS_delete_module+0x16c/0x1d0
[<c1001b10>] ? do_fast_syscall_32+0x30/0x1c0
[<c13c59bf>] ? __this_cpu_preempt_check+0xf/0x20
[<c10afa7d>] ? trace_hardirqs_on_caller+0xdd/0x210
[<c10ad50b>] ? trace_hardirqs_off+0xb/0x10
[<c1001b81>] do_fast_syscall_32+0xa1/0x1c0
[<c176d888>] sysenter_past_esp+0x45/0x74
INFO: Object 0xd1e6d9e0 @offset=6624
kmem_cache_destroy f2fs_inode_cache: Slab cache still has objects
CPU: 3 PID: 7455 Comm: rmmod Tainted: G B O 4.6.0-rc4+ #16
Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
00000286 00000286 d062fef4 c13a83a0 f174b000 d062ff14 d062ff28 c1198ac7
c197fe18 f3c5b980 d062ff20 000d04f2 d062ff0c d062ff0c d062ff14 d062ff14
f8f20dc0 fffffff5 d062e000 d062ff30 f8f15aa3 d062ff7c c10f596c 73663266
Call Trace:
[<c13a83a0>] dump_stack+0x5f/0x8f
[<c1198ac7>] kmem_cache_destroy+0x1e7/0x1f0
[<f8f15aa3>] exit_f2fs_fs+0x4b/0x5a8 [f2fs]
[<c10f596c>] SyS_delete_module+0x16c/0x1d0
[<c1001b10>] ? do_fast_syscall_32+0x30/0x1c0
[<c13c59bf>] ? __this_cpu_preempt_check+0xf/0x20
[<c10afa7d>] ? trace_hardirqs_on_caller+0xdd/0x210
[<c10ad50b>] ? trace_hardirqs_off+0xb/0x10
[<c1001b81>] do_fast_syscall_32+0xa1/0x1c0
[<c176d888>] sysenter_past_esp+0x45/0x74
The reason is: in recovery flow, we use delayed iput mechanism for directory
which has recovered dentry block. It means the reference of inode will be
held until last dirty dentry page being writebacked.
But when we mount f2fs with inline_dentry option, during recovery, dirent
may only be recovered into dir inode page rather than dentry page, so there
are no chance for us to release inode reference in ->writepage when
writebacking last dentry page.
We can call paired iget/iput explicityly for inline_dentry case, but for
non-inline_dentry case, iput will call writeback_single_inode to write all
data pages synchronously, but during recovery, ->writepages of f2fs skips
writing all pages, result in losing dirent.
This patch fixes this issue by obsoleting old mechanism, and introduce a
new dir_list to hold all directory inodes which has recovered datas until
finishing recovery.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch allows fscrypto to handle a second key prefix given by filesystem.
The main reason is to provide backward compatibility, since previously f2fs
used "f2fs:" as a crypto prefix instead of "fscrypt:".
Later, ext4 should also provide key_prefix() to give "ext4:".
One concern decribed by Ted would be kinda double check overhead of prefixes.
In x86, for example, validate_user_key consumes 8 ms after boot-up, which turns
out derive_key_aes() consumed most of the time to load specific crypto module.
After such the cold miss, it shows almost zero latencies, which treats as a
negligible overhead.
Note that request_key() detects wrong prefix in prior to derive_key_aes() even.
Cc: Ted Tso <tytso@mit.edu>
Cc: stable@vger.kernel.org # v4.6
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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The following panic occurs when truncating inode which has inline
xattr to max filesize.
[<ffffffffa013d3be>] get_dnode_of_data+0x4e/0x580 [f2fs]
[<ffffffffa013aca1>] ? read_node_page+0x51/0x90 [f2fs]
[<ffffffffa013ad99>] ? get_node_page.part.34+0xb9/0x170 [f2fs]
[<ffffffffa01235b1>] truncate_blocks+0x131/0x3f0 [f2fs]
[<ffffffffa01238e3>] f2fs_truncate+0x73/0x100 [f2fs]
[<ffffffffa01239d2>] f2fs_setattr+0x62/0x2a0 [f2fs]
[<ffffffff811a72c8>] notify_change+0x158/0x300
[<ffffffff8118a42b>] do_truncate+0x6b/0xa0
[<ffffffff8118e539>] ? __sb_start_write+0x49/0x100
[<ffffffff8118a798>] do_sys_ftruncate.constprop.12+0x118/0x170
[<ffffffff8118a82e>] SyS_ftruncate+0xe/0x10
[<ffffffff8169efcf>] tracesys+0xe1/0xe6
[<ffffffffa0139ae0>] get_node_path+0x210/0x220 [f2fs]
<ffff880206a89ce8>
--[ end trace 5fea664dfbcc6625 ]---
The reason is truncate_blocks tries to truncate all node and data blocks
start from specified block offset with value of (max filesize / block
size), but actually, our valid max block offset is (max filesize / block
size) - 1, so f2fs detects such invalid block offset with BUG_ON in
truncation path.
This patch lets f2fs skip truncating data which is exceeding max
filesize.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Currently, generic_block_bmap is used in f2fs_bmap, its semantics is when
the mapping is been found, return position of target physical block,
otherwise return zero.
But, previously, when there is no mapping info for specified logical block,
f2fs_bmap will map target physical block to a uninitialized variable, which
should be wrong. Fix it.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch removes an obsolete variable used in add_free_nid.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Even if an inode failed to release its blocks, it should be kept in an orphan
inode list, so it will be released later.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Restructure struct seg_entry to eliminate holes in it, after that,
in 32-bits machine, it reduces size from 32 bytes to 24 bytes; in
64-bits machine, it reduces size from 56 bytes to 40 bytes.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Reuse get_extent_info for readability.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Each of fields in struct f2fs_xattr_entry will be assigned later,
so previously we don't need to memset the struct.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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In find_fsync_dnodes, get_tmp_page will read dnode page synchronously,
previously, ra_meta_page did the same work, which is redundant, remove
it.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch modifies to retry truncating node blocks in -ENOMEM case.
Signed-off-by: Hou Pengyang <houpengyang@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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When unmounting filesystem, we should release all the ino entries.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch fixes a couple of bugs regarding to orphan inodes when handling
errors.
This tries to
- call alloc_nid_done with add_orphan_inode in handle_failed_inode
- let truncate blocks in f2fs_evict_inode
- not make a bad inode due to i_mode change
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch injects ENOSPC failures.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds page allocation failures.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch injects kmalloc failure given a fault injection rate.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds a mount option to select fault ratio.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch converts grab_cache_page to f2fs_grab_cache_page.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds f2fs_kmalloc.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds a new proc entry to show segment information in more detail.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This adds macros to be used multiple proc entries.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Pull ARM fixes from Russell King:
"These are a number of updates to fix a few problems found in the ARM
nommu code over the last couple of years, caused mostly by changes on
the mmu side"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8573/1: domain: move {set,get}_domain under config guard
ARM: 8572/1: nommu: change memory reserve for the vectors
ARM: 8571/1: nommu: fix PMSAv7 setup
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- deadlock fixes on driver probe at exynos4-is and s43-camif drivers
- a build breakage if media controller is enabled and USB or PCI is
built as module.
* tag 'media/v4.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] media-device: fix builds when USB or PCI is compiled as module
[media] media: s3c-camif: fix deadlock on driver probe()
[media] media: exynos4-is: fix deadlock on driver probe
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
"An ahci driver addition and updates to ahci port enable handling for
some platform devices"
* 'for-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ata: add AMD Seattle platform driver
ARM: dts: apq8064: add ahci ports-implemented mask
ata: ahci-platform: Add ports-implemented DT bindings.
libahci: save port map for forced port map
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fix from Doug Ledford:
"Fix for max sector calculation in iSER"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/iser: Fix max_sectors calculation
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Only MEDIA_IOC_ENUM_LINKS32 require an special logic when
userspace is 32 bits and Kernel is 64 bits.
For the rest, media_device_ioctl() will do the right thing,
and will return -ENOIOCTLCMD if the ioctl is unknown.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The extraneous assignment on bt is redundant and can be removed.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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A couple of data structures in the dibusb-common file are only
accessed when CONFIG_DVB_DIB3000MC is enabled, otherwise we
get a harmless gcc warning:
usb/dvb-usb/dibusb-common.c:223:34: error: 'dib3000p_panasonic_agc_config' defined but not used
usb/dvb-usb/dibusb-common.c:211:32: error: 'stk3000p_dib3000p_config' defined but not used
This moves the existing #ifdef a few lines up to correctly cover
all the conditional data structures, which gets rid of the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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of_graph_get_next_endpoint(node, ep) decrements refcount on
ep. When next==NULL we break and refcount on ep is decremented
again.
Signed-off-by: Franck Jullien <franck.jullien@odyssee-systemes.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Callbacks invoked from put_device() may free the struct media_devnode
pointer, so any cleanup needs to be done before put_device().
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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After media_devnode_unregister(), the struct media_device may be freed
already, and dereferencing it may crash.
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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CONFIG_DEBUG_KOBJECT_RELEASE found this bug.
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Instead of always return -ENOMEM, return the real error that should
come from media_create_pad_link().
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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struct ir_raw_event currently has a size of 12 bytes on most (all?)
architectures. This can be reduced to 8 bytes whilst maintaining
full backwards compatibility.
This saves 2KB in size of struct ir_raw_event_ctrl (as element
kfifo is reduced by 512 * 4 bytes) and it allows to copy the
full struct ir_raw_event with a single 64 bit operation.
Successfully tested with the Nuvoton driver and successfully
compile-tested with the ene_ir driver (as it uses the carrier /
duty_cycle elements).
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Add USB ID of SMK RXX6000 series IR receiver. Often branded as
Lenovo receiver.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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New USB ID for Adaptec eHome receiver in some HP laptops.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Access to dev->initialized is atomic and dev->initialized isn't
accessed in any other code protected by this mutex.
Therefore we don't need to get the mutex here.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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2008-02-25 Andre Weidemann added support for TT S2-3600 and noted
that he still gets image distortions every now and then.
It seems to be common knowledge in many projects that changing
the USB parameters seems to help. OpenELEC has included this patch
for a few years, for example. Nobody bothered to report the issue
upstream though, it seems.
https://github.com/OpenELEC/OpenELEC.tv/issues/1957
http://www.vdr-portal.de/board60-linux/board14-betriebssystem/board96-yavdr/p1033458-darstellungsproblem-bei-2-tt-3600-usb/#post1033458 (in German)
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The ds3000 driver returned 1 as an error code in many places.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Remove the if..else statement from smipcie-ir.c and add the remote
controller map as a configuration parameter for the card.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Modify the printout for MAC address to be more vendor agnostic.
Print also the port number.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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