28 struct scatterlist *cryptodev_sg_advance(struct scatterlist *sg, int consumed)  in cryptodev_sg_advance()  argument
30 	while (consumed >= sg->length) {  in cryptodev_sg_advance()
31 		consumed -= sg->length;  in cryptodev_sg_advance()
33 		sg = sg_next(sg);  in cryptodev_sg_advance()
34 		if (!sg)  in cryptodev_sg_advance()
38 	WARN_ON(!sg && consumed);  in cryptodev_sg_advance()
40 	if (!sg)  in cryptodev_sg_advance()
43 	sg->offset += consumed;  in cryptodev_sg_advance()
44 	sg->length -= consumed;  in cryptodev_sg_advance()
46 	if (sg->offset >= PAGE_SIZE) {  in cryptodev_sg_advance()
48 			nth_page(sg_page(sg), sg->offset / PAGE_SIZE);  in cryptodev_sg_advance()
49 		sg_set_page(sg, page, sg->length, sg->offset % PAGE_SIZE);  in cryptodev_sg_advance()
52 	return sg;  in cryptodev_sg_advance()