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Daniel Thompson bfe981a095 drm: prime: Honour O_RDWR during prime-handle-to-fd 
Currently DRM_IOCTL_PRIME_HANDLE_TO_FD rejects all flags except
(DRM|O)_CLOEXEC making it difficult (maybe impossible) for userspace
to mmap() the resulting dma-buf even when this is supported by the
DRM driver.

It is trivial to relax the restriction and permit read/write access.
This is safe because the flags are seldom touched by drm; mostly they
are passed verbatim to dma_buf calls.

v3 (Tiago): removed unused flags variable from drm_prime_handle_to_fd_ioctl.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Tiago Vignatti <tiago.vignatti@intel.com>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1450820214-12509-2-git-send-email-tiago.vignatti@intel.com
2016-02-09 09:25:12 +01:00
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accessibility
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acpi
Merge branches 'pm-core' and 'pm-domains'
2016-02-06 00:34:01 +01:00
amba
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android
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ata
Merge branch 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
2016-01-11 19:33:59 -08:00
atm
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auxdisplay
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base
Merge branches 'pm-core' and 'pm-domains'
2016-02-06 00:34:01 +01:00
bcma
GPIO bulk updates for the v4.5 kernel cycle:
2016-01-17 12:32:01 -08:00
block
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
2016-01-24 12:34:13 -08:00
bluetooth
Bluetooth: btmrvl: don't send data to firmware while processing suspend
2016-01-06 16:37:14 +01:00
bus
vexpress fixes for v4.5
2016-02-01 12:27:18 -08:00
cdrom
cdrom: don't open-code memdup_user()
2016-01-06 08:25:24 -05:00
char
Fix a compile error on IPMI when ACPI is disabled.
2016-02-03 10:04:58 -08:00
clk
ARM: DT updates for v4.5
2016-01-20 18:16:29 -08:00
clocksource
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-01-31 15:49:06 -08:00
connector
connector: bump skb->users before callback invocation
2016-01-04 21:46:45 -05:00
cpufreq
Merge branches 'pm-cpuidle', 'pm-cpufreq', 'pm-domains' and 'pm-sleep'
2016-01-29 21:45:17 +01:00
cpuidle
Merge branches 'pm-cpuidle', 'pm-cpufreq', 'pm-domains' and 'pm-sleep'
2016-01-29 21:45:17 +01:00
crypto
crypto: atmel-aes - remove calls of clk_prepare() from atomic contexts
2016-01-30 22:05:17 +08:00
dca
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devfreq
PM / devfreq: Do not show statistics if it's not ready.
2016-01-13 17:30:33 +09:00
dio
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dma
dmaengine fixes for 4.5-rc1
2016-01-20 10:15:21 -08:00
dma-buf
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edac
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eisa
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extcon
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firewire
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firmware
UBSAN: run-time undefined behavior sanity checker
2016-01-20 17:09:18 -08:00
fmc
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fpga
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gpio
ARM: SoC multiplatform code changes for v4.5
2016-01-20 18:03:56 -08:00
gpu
drm: prime: Honour O_RDWR during prime-handle-to-fd
2016-02-09 09:25:12 +01:00
hid
asm-generic changes for 4.5
2016-01-20 17:30:20 -08:00
hsi
HSI: omap_ssi_port: fix handling of_get_named_gpio result
2016-01-07 16:07:54 +01:00
hv
char/misc patches for 4.5-rc1
2016-01-13 10:23:36 -08:00
hwmon
hwmon: (fam15h_power) Add bit masking for tdp_limit
2016-01-27 18:48:46 -08:00
hwspinlock
drivers/hwspinlock: fix race between radix tree insertion and lookup
2016-02-03 08:28:43 -08:00
hwtracing
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i2c
i2c: piix4: don't regress on bus names
2016-01-29 11:13:52 +01:00
ide
drivers/ide: make ide-scan-pci.c driver explicitly non-modular
2016-01-18 14:12:33 -05:00
idle
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iio
Second set of IIO fixes for the 4.5 cycle. These ones are mostly
2016-02-01 13:08:26 -08:00
infiniband
IB/core: Set correct payload length for RoCEv2 over IPv6
2016-02-02 16:42:22 -05:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2016-01-22 17:20:30 -08:00
iommu
iommu/amd: Correct the wrong setting of alias DTE in do_attach
2016-01-29 12:30:47 +01:00
ipack
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irqchip
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-01-31 14:48:58 -08:00
isdn
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-01-11 23:55:43 -05:00
leds
GPIO bulk updates for the v4.5 kernel cycle:
2016-01-17 12:32:01 -08:00
lguest
lguest: Map switcher text R/O
2016-01-12 12:17:28 +01:00
lightnvm
lightnvm: introduce factory reset
2016-01-12 08:21:18 -07:00
macintosh
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mailbox
mailbox: Fix dependencies for !HAS_IOMEM archs
2016-02-02 16:47:14 +05:30
mcb
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md
Merge branch 'mymd/for-next' into mymd/for-linus
2016-02-03 15:43:59 -08:00
media
[media] saa7134-alsa: Only frees registered sound cards
2016-02-04 16:26:10 -02:00
memory
ARM: SoC driver updates for v4.5
2016-01-20 18:42:30 -08:00
memstick
memstick: use sector_div instead of do_div
2016-01-20 17:09:18 -08:00
message
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mfd
GPIO bulk updates for the v4.5 kernel cycle:
2016-01-17 12:32:01 -08:00
misc
Merge branch 'akpm' (patches from Andrew)
2016-01-21 12:32:08 -08:00
mmc
MMC core:
2016-01-22 12:04:21 -08:00
mtd
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2016-01-24 12:50:56 -08:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-02-01 15:56:08 -08:00
nfc
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ntb
NTB: Fix macro parameter conflict with field name
2016-01-21 19:53:10 -05:00
nubus
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nvdimm
libnvdimm, pfn: fix restoring memmap location
2016-01-29 17:43:16 -08:00
nvme
Merge branch 'for-4.5/nvme' of git://git.kernel.dk/linux-block
2016-01-21 19:58:02 -08:00
nvmem
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of
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-02-01 15:56:08 -08:00
oprofile
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
parisc
parisc: convert to dma_map_ops
2016-01-20 17:09:18 -08:00
parport
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pci
Merge branches 'acpi-video' and 'acpi-hotplug'
2016-01-29 21:44:53 +01:00
pcmcia
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perf
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phy
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pinctrl
GPIO bulk updates for the v4.5 kernel cycle:
2016-01-17 12:32:01 -08:00
platform
ideapad-laptop: Add Lenovo Yoga 700 to no_hw_rfkill dmi list
2016-01-24 10:15:01 -08:00
pnp
PNP: Add Haswell-ULT to Intel MCH size workaround
2016-02-03 01:00:29 +01:00
power
power: bq27xxx_battery: Fix bq27541 AveragePower register address
2016-01-14 01:03:18 +01:00
powercap
Merge branch 'powercap'
2016-01-12 01:12:40 +01:00
pps
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ps3
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ptp
ptp: ixp46x: use helpers for converting ns to timespec
2016-01-29 12:38:59 -08:00
pwm
pwm: Mark all devices as "might sleep"
2016-01-21 15:04:59 +01:00
rapidio
rapidio: use kobj_to_dev()
2016-01-20 17:09:18 -08:00
ras
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regulator
regulator: Update for v4.5
2016-01-15 12:14:47 -08:00
remoteproc
virtio: make find_vqs() checkpatch.pl-friendly
2016-01-12 20:47:06 +02:00
reset
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rpmsg
virtio: make find_vqs() checkpatch.pl-friendly
2016-01-12 20:47:06 +02:00
rtc
RTC for 4.5
2016-01-18 12:10:45 -08:00
s390
s390/cio: update measurement characteristics
2016-01-26 12:47:51 +01:00
sbus
convert a bunch of open-coded instances of memdup_user_nul()
2016-01-04 10:26:58 -05:00
scsi
drivers/scsi/sg.c: mark VMA as VM_IO to prevent migration
2016-02-03 08:28:43 -08:00
sfi
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sh
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sn
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soc
ARM: SoC support for Tegra platforms for v4.5
2016-01-22 17:30:52 -08:00
spi
powerpc updates for 4.5
2016-01-15 13:18:47 -08:00
spmi
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ssb
ssb: mark ssb_bus_register as __maybe_unused
2016-01-19 21:25:57 +02:00
staging
Staging / IIO driver fixes for 4.5-rc3
2016-02-06 22:13:16 -08:00
target
Merge branch 'for-4.5/nvme' of git://git.kernel.dk/linux-block
2016-01-21 19:58:02 -08:00
tc
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thermal
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
2016-01-24 12:43:06 -08:00
thunderbolt
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tty
TTY/Serial fixes for 4.5-rc2
2016-01-31 17:09:39 -08:00
uio
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usb
xhci: harden xhci_find_next_ext_cap against device removal
2016-02-04 17:00:10 -08:00
uwb
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vfio
vfio/noiommu: Don't use iommu_present() to track fake groups
2016-01-27 11:22:25 -07:00
vhost
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video
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
virt
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virtio
virtio_pci: fix use after free on release
2016-01-26 10:18:28 +02:00
vlynq
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vme
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w1
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watchdog
watchdog: Fix dependencies for !HAS_IOMEM archs
2016-01-31 16:54:36 +01:00
xen
Merge branch 'stable/for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm
2016-01-29 15:13:48 -08:00
zorro
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Kconfig
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Makefile
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