Alexey Khoroshilov 49f2a47d91 prism54: fix checks for dma mapping errors
prism54 checks for dma mapping errors by comparison returned address
with zero, while pci_dma_mapping_error() should be used.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-31 10:23:32 +02:00
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