477 static void free_sglist(struct scatterlist *sg, int nents)  in free_sglist()  argument
481 	if (!sg)  in free_sglist()
484 		if (!sg_page(&sg[i]))  in free_sglist()
486 		kfree(sg_virt(&sg[i]));  in free_sglist()
488 	kfree(sg);  in free_sglist()
494 	struct scatterlist	*sg;  in alloc_sglist()  local
504 	sg = kmalloc_array(nents, sizeof(*sg), GFP_KERNEL);  in alloc_sglist()
505 	if (!sg)  in alloc_sglist()
507 	sg_init_table(sg, nents);  in alloc_sglist()
515 			free_sglist(sg, i);  in alloc_sglist()
520 		sg_set_buf(&sg[i], buf, size);  in alloc_sglist()
541 	return sg;  in alloc_sglist()
557 	struct scatterlist	*sg,  in perform_sglist()  argument
572 				sg, nents, 0, GFP_KERNEL);  in perform_sglist()
2063 	struct scatterlist	*sg;  in usbtest_ioctl()  local
2193 		sg = alloc_sglist(param->sglen, param->length,  in usbtest_ioctl()
2195 		if (!sg) {  in usbtest_ioctl()
2201 				&req, sg, param->sglen);  in usbtest_ioctl()
2202 		free_sglist(sg, param->sglen);  in usbtest_ioctl()
2212 		sg = alloc_sglist(param->sglen, param->length,  in usbtest_ioctl()
2214 		if (!sg) {  in usbtest_ioctl()
2220 				&req, sg, param->sglen);  in usbtest_ioctl()
2221 		free_sglist(sg, param->sglen);  in usbtest_ioctl()
2230 		sg = alloc_sglist(param->sglen, param->length,  in usbtest_ioctl()
2232 		if (!sg) {  in usbtest_ioctl()
2238 				&req, sg, param->sglen);  in usbtest_ioctl()
2239 		free_sglist(sg, param->sglen);  in usbtest_ioctl()
2248 		sg = alloc_sglist(param->sglen, param->length,  in usbtest_ioctl()
2250 		if (!sg) {  in usbtest_ioctl()
2256 				&req, sg, param->sglen);  in usbtest_ioctl()
2257 		free_sglist(sg, param->sglen);  in usbtest_ioctl()