net/sonic: Use dma_mapping_error()
[ Upstream commit 26de0b76 ] With CONFIG_DMA_API_DEBUG=y, calling sonic_open() produces the message, "DMA-API: device driver failed to check map error". Add the missing dma_mapping_error() call. Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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