170 	int nr_sgs = 0;  in sun8i_ss_cipher()  local
205 		nr_sgs = dma_map_sg(ss->dev, areq->src, sg_nents(areq->src),  in sun8i_ss_cipher()
207 		if (nr_sgs <= 0 || nr_sgs > 8) {  in sun8i_ss_cipher()
208 			dev_err(ss->dev, "Invalid sg number %d\n", nr_sgs);  in sun8i_ss_cipher()
212 		nr_sgd = nr_sgs;  in sun8i_ss_cipher()
214 		nr_sgs = dma_map_sg(ss->dev, areq->src, sg_nents(areq->src),  in sun8i_ss_cipher()
216 		if (nr_sgs <= 0 || nr_sgs > 8) {  in sun8i_ss_cipher()
217 			dev_err(ss->dev, "Invalid sg number %d\n", nr_sgs);  in sun8i_ss_cipher()
233 	while (i < nr_sgs && sg && len) {  in sun8i_ss_cipher()
278 		dma_unmap_sg(ss->dev, areq->src, nr_sgs, DMA_BIDIRECTIONAL);  in sun8i_ss_cipher()
280 		dma_unmap_sg(ss->dev, areq->src, nr_sgs, DMA_TO_DEVICE);  in sun8i_ss_cipher()