Ian Abbott
7cb1c5c2cd
staging: comedi: jr3_pci: check sizes at compile time
...
The driver currently checks the size of `struct jr3_sensor` is correct
when a device is attached, returning an error if it is wrong. Replace
that with a compile-time check. We don't care too much about the size
of `struct jr3_sensor` as it is embedded in the larger `struct
jr3_block` and is followed by a lot of padding. We should care more
that the size of `struct jr3_block` is correct, as it describes the
overall register layout of a block, and there is an array of such blocks
(one per subdevice). Check its size at compile-time using the
`BUILD_BUG_ON()` macro.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk >
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org >
2017-03-12 14:57:00 +01:00
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