integrity/ima/ima_crypto.c

329 	char *rbuf[2] = { NULL, };
360 	rbuf[0] = ima_alloc_pages(i_size, &rbuf_size[0], 1);
361 	if (!rbuf[0]) {
373 		rbuf[1] = ima_alloc_pages(i_size - rbuf_size[0],
378 		if (!rbuf[1] && offset) {
389 		rc = integrity_kernel_read(file, offset, rbuf[active],
402 		if (rbuf[1] && offset) {
412 		sg_init_one(&sg[0], rbuf[active], rbuf_len);
417 		if (rbuf[1])
423 	ima_free_pages(rbuf[0], rbuf_size[0]);
424 	ima_free_pages(rbuf[1], rbuf_size[1]);
456 	char *rbuf;
473 	rbuf = kzalloc(PAGE_SIZE, GFP_KERNEL);
474 	if (!rbuf)
480 		rbuf_len = integrity_kernel_read(file, offset, rbuf, PAGE_SIZE);
491 		rc = crypto_shash_update(shash, rbuf, rbuf_len);
495 	kfree(rbuf);