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commit 7a546af50eb78ab99840903083231eb635c8a566 upstream.
Make sure to check for short control transfers in order to avoid parsing
uninitialised buffer data and leaking it to user space.
Note that the backlight and macro-mode buffer constraints are kept as
loose as possible in order to avoid any regressions should the current
buffer sizes be larger than necessary.
Fixes: 6f78193ee9ea ("HID: corsair: Add Corsair Vengeance K90 driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6d104af38b570d37aa32a5803b04c354f8ed513d upstream.
Not all platforms support DMA to the stack, and specifically since v4.9
this is no longer supported on x86 with VMAP_STACK either.
Note that the macro-mode buffer was larger than necessary.
Fixes: 6f78193ee9ea ("HID: corsair: Add Corsair Vengeance K90 driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes a bug where the Volume Up key was ignored because it uses the same usage code as G18. Special Corsair usage codes are in the keyboard page, other pages should be left to the generic driver.
Signed-off-by: Clément Vuchener <clement.vuchener@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Clément Vuchener <clement.vuchener@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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'removed' field of struct k90_led is in its nature bool, let's use it
that way.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch implements a HID driver for the Corsair Vengeance K90 keyboard.
It fixes the behaviour of the keys using incorrect HID usage codes and exposes
the macro playback mode and current profile to the user space through sysfs
attributes. It also adds two LED class devices controlling the "record" LED and
the backlight.
Signed-off-by: Clément Vuchener <clement.vuchener@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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