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Alexey Khoroshilov authored
exec_drive_taskfile() 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:
Jens Axboe <axboe@fb.com>
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