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Signed-off-by: David Howells <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Acked-by: Michael Kerrisk <[email protected]>
Acked-by: Paul E. McKenney <[email protected]>
Acked-by: Dave Jones <[email protected]>
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Switch to using __u32/__s32 instead of ordinary 'int' in structures
forming userspace API.
Also internally make request_id unsigned int.
Signed-off-by: Dmitry Torokhov <[email protected]>
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The problem here is that max_effects can wrap on 32 bits systems.
We'd allocate a smaller amount of data than sizeof(struct ff_device).
The call to kcalloc() on the next line would fail but it would write
the NULL return outside of the memory we just allocated causing data
corruption.
The call path is that uinput_setup_device() get ->ff_effects_max from
the user and sets the value in the ->private_data struct. From there
it is:
-> uinput_ioctl_handler()
-> uinput_create_device()
-> input_ff_create(dev, udev->ff_effects_max);
I've also changed ff_effects_max so it's an unsigned int instead of
a signed int as a cleanup.
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
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Today, userspace sets up an input device based on the data it emits.
This is not always enough; a tablet and a touchscreen may emit exactly
the same data, for instance, but the former should be set up with a
pointer whereas the latter does not need to. Recently, a new type of
touchpad has emerged where the buttons are under the pad, which
changes logic without changing the emitted data. This patch introduces
a new ioctl, EVIOCGPROP, which enables user access to a set of device
properties useful during setup. The properties are given as a bitmap
in the same fashion as the event types, and are also made available
via sysfs, uevent and /proc/bus/input/devices.
Acked-by: Ping Cheng <[email protected]>
Acked-by: Chase Douglas <[email protected]>
Acked-by: Dmitry Torokhov <[email protected]>
Signed-off-by: Henrik Rydberg <[email protected]>
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Recent modprobe and udev versions allow to create device nodes
for modules which are not loaded. Only the first access will cause
the in-kernel module loader to pull-in the module. Systems which
never access the device node will not needlessly load the module,
and no longer need init scripts or other facilities to unconditionally
load it.
Signed-off-by: Kay Sievers <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
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Signed-off-by: Daniel Mack <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
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get rid of input BIT* duplicate defines
use newly global defined macros for input layer. Also remove includes of
input.h from non-input sources only for BIT macro definiton. Define the
macro temporarily in local manner, all those local definitons will be
removed further in this patchset (to not break bisecting).
BIT macro will be globally defined (1<<x)
Signed-off-by: Jiri Slaby <[email protected]>
Cc: <[email protected]>
Acked-by: Jiri Kosina <[email protected]>
Cc: <[email protected]>
Acked-by: Marcel Holtmann <[email protected]>
Cc: <[email protected]>
Acked-by: Mauro Carvalho Chehab <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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uinput.h relies on structures found in input.h, so pull in the header
Signed-off-by: Mike Frysinger <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
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The userspace interface of the force feedback part is changed and
documentation in uinput.h is updated accordingly. MODULE_VERSION
is also incremented to reflect the revision.
Signed-off-by: Anssi Hannula <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
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Signed-off-by: Dmitry Torokhov <[email protected]>
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Signed-off-by: Dmitry Torokhov <[email protected]>
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Also introduce proper locking when creating/deleting device.
Signed-off-by: Dmitry Torokhov <[email protected]>
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wakeups in force feedback code.
Signed-off-by: Dmitry Torokhov <[email protected]>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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