42 	int ret = -ENOEXEC;  in kexec_image_probe_default()  local
45 		ret = (*fops)->probe(buf, buf_len);  in kexec_image_probe_default()
46 		if (!ret) {  in kexec_image_probe_default()
48 			return ret;  in kexec_image_probe_default()
52 	return ret;  in kexec_image_probe_default()
185 	int ret;  in kimage_validate_signature()  local
187 	ret = arch_kexec_kernel_verify_sig(image, image->kernel_buf,  in kimage_validate_signature()
189 	switch (ret) {  in kimage_validate_signature()
208 			return ret;  in kimage_validate_signature()
226 		pr_notice("kernel signature verification failed (%d).\n", ret);  in kimage_validate_signature()
229 	return ret;  in kimage_validate_signature()
242 	int ret;  in kimage_file_prepare_segments()  local
246 	ret = kernel_read_file_from_fd(kernel_fd, &image->kernel_buf,  in kimage_file_prepare_segments()
248 	if (ret)  in kimage_file_prepare_segments()
249 		return ret;  in kimage_file_prepare_segments()
253 	ret = arch_kexec_kernel_image_probe(image, image->kernel_buf,  in kimage_file_prepare_segments()
255 	if (ret)  in kimage_file_prepare_segments()
259 	ret = kimage_validate_signature(image);  in kimage_file_prepare_segments()
261 	if (ret)  in kimage_file_prepare_segments()
266 		ret = kernel_read_file_from_fd(initrd_fd, &image->initrd_buf,  in kimage_file_prepare_segments()
269 		if (ret)  in kimage_file_prepare_segments()
277 			ret = PTR_ERR(image->cmdline_buf);  in kimage_file_prepare_segments()
286 			ret = -EINVAL;  in kimage_file_prepare_segments()
301 		ret = PTR_ERR(ldata);  in kimage_file_prepare_segments()
308 	if (ret)  in kimage_file_prepare_segments()
310 	return ret;  in kimage_file_prepare_segments()
318 	int ret;  in kimage_file_alloc_init()  local
334 	ret = kimage_file_prepare_segments(image, kernel_fd, initrd_fd,  in kimage_file_alloc_init()
336 	if (ret)  in kimage_file_alloc_init()
339 	ret = sanity_check_segment_list(image);  in kimage_file_alloc_init()
340 	if (ret)  in kimage_file_alloc_init()
343 	ret = -ENOMEM;  in kimage_file_alloc_init()
367 	return ret;  in kimage_file_alloc_init()
374 	int ret = 0, i;  in SYSCALL_DEFINE5()  local
408 	ret = kimage_file_alloc_init(&image, kernel_fd, initrd_fd, cmdline_ptr,  in SYSCALL_DEFINE5()
410 	if (ret)  in SYSCALL_DEFINE5()
413 	ret = machine_kexec_prepare(image);  in SYSCALL_DEFINE5()
414 	if (ret)  in SYSCALL_DEFINE5()
421 	ret = kimage_crash_copy_vmcoreinfo(image);  in SYSCALL_DEFINE5()
422 	if (ret)  in SYSCALL_DEFINE5()
425 	ret = kexec_calculate_store_digests(image);  in SYSCALL_DEFINE5()
426 	if (ret)  in SYSCALL_DEFINE5()
437 		ret = kimage_load_segment(image, &image->segment[i]);  in SYSCALL_DEFINE5()
438 		if (ret)  in SYSCALL_DEFINE5()
457 	return ret;  in SYSCALL_DEFINE5()
558 	int ret = 0;  in kexec_walk_memblock()  local
576 			ret = func(&res, kbuf);  in kexec_walk_memblock()
577 			if (ret)  in kexec_walk_memblock()
590 			ret = func(&res, kbuf);  in kexec_walk_memblock()
591 			if (ret)  in kexec_walk_memblock()
596 	return ret;  in kexec_walk_memblock()
637 	int ret;  in kexec_locate_mem_hole()  local
644 		ret = kexec_walk_resources(kbuf, locate_mem_hole_callback);  in kexec_locate_mem_hole()
646 		ret = kexec_walk_memblock(kbuf, locate_mem_hole_callback);  in kexec_locate_mem_hole()
648 	return ret == 1 ? 0 : -EADDRNOTAVAIL;  in kexec_locate_mem_hole()
665 	int ret;  in kexec_add_buffer()  local
691 	ret = kexec_locate_mem_hole(kbuf);  in kexec_add_buffer()
692 	if (ret)  in kexec_add_buffer()
693 		return ret;  in kexec_add_buffer()
710 	int ret = 0, i, j, zero_buf_sz, sha_region_sz;  in kexec_calculate_store_digests()  local
725 		ret = PTR_ERR(tfm);  in kexec_calculate_store_digests()
732 		ret = -ENOMEM;  in kexec_calculate_store_digests()
743 	ret = crypto_shash_init(desc);  in kexec_calculate_store_digests()
744 	if (ret < 0)  in kexec_calculate_store_digests()
749 		ret = -ENOMEM;  in kexec_calculate_store_digests()
764 		ret = crypto_shash_update(desc, ksegment->kbuf,  in kexec_calculate_store_digests()
766 		if (ret)  in kexec_calculate_store_digests()
779 			ret = crypto_shash_update(desc, zero_buf, bytes);  in kexec_calculate_store_digests()
780 			if (ret)  in kexec_calculate_store_digests()
785 		if (ret)  in kexec_calculate_store_digests()
793 	if (!ret) {  in kexec_calculate_store_digests()
794 		ret = crypto_shash_final(desc, digest);  in kexec_calculate_store_digests()
795 		if (ret)  in kexec_calculate_store_digests()
797 		ret = kexec_purgatory_get_set_symbol(image, "purgatory_sha_regions",  in kexec_calculate_store_digests()
799 		if (ret)  in kexec_calculate_store_digests()
802 		ret = kexec_purgatory_get_set_symbol(image, "purgatory_sha256_digest",  in kexec_calculate_store_digests()
804 		if (ret)  in kexec_calculate_store_digests()
817 	return ret;  in kexec_calculate_store_digests()
838 	int i, ret;  in kexec_purgatory_setup_kbuf()  local
871 	ret = kexec_add_buffer(kbuf);  in kexec_purgatory_setup_kbuf()
872 	if (ret)  in kexec_purgatory_setup_kbuf()
879 	return ret;  in kexec_purgatory_setup_kbuf()
953 	int i, ret;  in kexec_apply_relocations()  local
999 			ret = arch_kexec_apply_relocations_add(pi, section,  in kexec_apply_relocations()
1002 			ret = arch_kexec_apply_relocations(pi, section,  in kexec_apply_relocations()
1004 		if (ret)  in kexec_apply_relocations()
1005 			return ret;  in kexec_apply_relocations()
1025 	int ret;  in kexec_load_purgatory()  local
1032 	ret = kexec_purgatory_setup_kbuf(pi, kbuf);  in kexec_load_purgatory()
1033 	if (ret)  in kexec_load_purgatory()
1034 		return ret;  in kexec_load_purgatory()
1036 	ret = kexec_purgatory_setup_sechdrs(pi, kbuf);  in kexec_load_purgatory()
1037 	if (ret)  in kexec_load_purgatory()
1040 	ret = kexec_apply_relocations(image);  in kexec_load_purgatory()
1041 	if (ret)  in kexec_load_purgatory()
1051 	return ret;  in kexec_load_purgatory()