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vmxnet3_drv does not check dma_addr with dma_mapping_error() after mapping dma memory. The patch adds the checks and tries to handle failures. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Acked-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>