atm: eni: Add check for dma_map_single
As the potential failure of the dma_map_single(), it should be better to check it and return error if fails. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Signed-off-by:Jiasheng Jiang <jiasheng@iscas.ac.cn> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
c700525f