iio: __iio_update_buffers: Verify configuration before starting to apply it
authorLars-Peter Clausen <lars@metafoo.de>
Mon, 18 May 2015 11:34:47 +0000 (13:34 +0200)
committerJonathan Cameron <jic23@kernel.org>
Sat, 23 May 2015 11:44:30 +0000 (12:44 +0100)
commit6e509c4d91632b6f8f05f0bee3a20fd50ca2263b
treee7d0782f821001504446b4386b65b4c506a5c295
parent2a67dfba7fae36af0233452d19b40594f62bc019
iio: __iio_update_buffers: Verify configuration before starting to apply it

Currently __iio_update_buffers() verifies whether the new configuration
will work in the middle of the update sequence. This means if the new
configuration is invalid we need to rollback the changes already made. This
patch moves the validation of the new configuration at the beginning of
__iio_update_buffers() and will not start to make any changes if the new
configuration is invalid.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/iio/industrialio-buffer.c
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