iio:adc:vf610 ensure correct handing of interruption of wait for completion

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Issue highlighted by smatch warning:

CHECK   drivers/iio/adc/vf610_adc.c
drivers/iio/adc/vf610_adc.c:466 vf610_read_raw() warn: unsigned 'ret' is never less than zero.

As wait_for_completion_interruptible_timeout can return -ERESTARTSTSYS, if
interrupted, ret must be signed.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Fugang Duan <B38611@freescale.com>

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Jonathan Cameron 2014-01-03 22:02:00 +00:00

parent bdc8cda1d0

commit db8fa7311d

1 changed files with 1 additions and 1 deletions

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drivers/iio/adc/vf610_adc.c

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