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Linux kernel mirror (for testing)
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kernel
os
linux
media: gen-errors.rst: remove row number comments
Those are introduced by the conversion scripts and don't
really help. Get rid of them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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+11
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Documentation/media/uapi/gen-errors.rst
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Documentation/media/uapi/gen-errors.rst
···
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:widths: 1 16
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- .. row 1
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- ``EAGAIN`` (aka ``EWOULDBLOCK``)
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- - ``EAGAIN`` (aka ``EWOULDBLOCK``)
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- The ioctl can't be handled because the device is in state where it
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can't perform it. This could happen for example in case where
···
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is also returned when the ioctl would need to wait for an event,
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but the device was opened in non-blocking mode.
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- .. row 2
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- ``EBADF``
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- - ``EBADF``
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- The file descriptor is not a valid.
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- .. row 3
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- ``EBUSY``
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- - ``EBUSY``
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- The ioctl can't be handled because the device is busy. This is
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typically return while device is streaming, and an ioctl tried to
···
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ioctl must not be retried without performing another action to fix
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the problem first (typically: stop the stream before retrying).
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- .. row 4
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- ``EFAULT``
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- - ``EFAULT``
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- There was a failure while copying data from/to userspace, probably
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caused by an invalid pointer reference.
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- .. row 5
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- ``EINVAL``
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- - ``EINVAL``
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- One or more of the ioctl parameters are invalid or out of the
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allowed range. This is a widely used error code. See the
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individual ioctl requests for specific causes.
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- .. row 6
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- ``ENODEV``
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- - ``ENODEV``
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- Device not found or was removed.
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- .. row 7
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- ``ENOMEM``
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- - ``ENOMEM``
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- There's not enough memory to handle the desired operation.
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- .. row 8
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- ``ENOTTY``
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- - ``ENOTTY``
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- The ioctl is not supported by the driver, actually meaning that
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the required functionality is not available, or the file
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descriptor is not for a media device.
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- .. row 9
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- ``ENOSPC``
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- - ``ENOSPC``
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- On USB devices, the stream ioctl's can return this error, meaning
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that this request would overcommit the usb bandwidth reserved for
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periodic transfers (up to 80% of the USB bandwidth).
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- .. row 10
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- ``EPERM``
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- - ``EPERM``
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- Permission denied. Can be returned if the device needs write
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permission, or some special capabilities is needed (e. g. root)
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- .. row 11
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- ``EIO``
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- - ``EIO``
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- I/O error. Typically used when there are problems communicating with
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a hardware device. This could indicate broken or flaky hardware.