dmaengine: dmatest: move size checks earlier in function

There's no need to allocate all that memory if these sizes are invalid
anyway.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Alexandru Ardelean 2018-11-01 18:07:16 +02:00 • committed by Vinod Koul
commit 787d3083ca