125 	int ret = 0;  in kimage_file_prepare_segments()  local
129 	ret = kernel_read_file_from_fd(kernel_fd, &image->kernel_buf,  in kimage_file_prepare_segments()
131 	if (ret)  in kimage_file_prepare_segments()
132 		return ret;  in kimage_file_prepare_segments()
136 	ret = arch_kexec_kernel_image_probe(image, image->kernel_buf,  in kimage_file_prepare_segments()
138 	if (ret)  in kimage_file_prepare_segments()
142 	ret = arch_kexec_kernel_verify_sig(image, image->kernel_buf,  in kimage_file_prepare_segments()
144 	if (ret) {  in kimage_file_prepare_segments()
152 		ret = kernel_read_file_from_fd(initrd_fd, &image->initrd_buf,  in kimage_file_prepare_segments()
155 		if (ret)  in kimage_file_prepare_segments()
163 			ret = -ENOMEM;  in kimage_file_prepare_segments()
167 		ret = copy_from_user(image->cmdline_buf, cmdline_ptr,  in kimage_file_prepare_segments()
169 		if (ret) {  in kimage_file_prepare_segments()
170 			ret = -EFAULT;  in kimage_file_prepare_segments()
178 			ret = -EINVAL;  in kimage_file_prepare_segments()
187 		ret = PTR_ERR(ldata);  in kimage_file_prepare_segments()
194 	if (ret)  in kimage_file_prepare_segments()
196 	return ret;  in kimage_file_prepare_segments()
204 	int ret;  in kimage_file_alloc_init()  local
220 	ret = kimage_file_prepare_segments(image, kernel_fd, initrd_fd,  in kimage_file_alloc_init()
222 	if (ret)  in kimage_file_alloc_init()
225 	ret = sanity_check_segment_list(image);  in kimage_file_alloc_init()
226 	if (ret)  in kimage_file_alloc_init()
229 	ret = -ENOMEM;  in kimage_file_alloc_init()
253 	return ret;  in kimage_file_alloc_init()
260 	int ret = 0, i;  in SYSCALL_DEFINE5()  local
294 	ret = kimage_file_alloc_init(&image, kernel_fd, initrd_fd, cmdline_ptr,  in SYSCALL_DEFINE5()
296 	if (ret)  in SYSCALL_DEFINE5()
299 	ret = machine_kexec_prepare(image);  in SYSCALL_DEFINE5()
300 	if (ret)  in SYSCALL_DEFINE5()
303 	ret = kexec_calculate_store_digests(image);  in SYSCALL_DEFINE5()
304 	if (ret)  in SYSCALL_DEFINE5()
315 		ret = kimage_load_segment(image, &image->segment[i]);  in SYSCALL_DEFINE5()
316 		if (ret)  in SYSCALL_DEFINE5()
335 	return ret;  in SYSCALL_DEFINE5()
443 	int ret;  in kexec_add_buffer()  local
478 		ret = walk_iomem_res_desc(crashk_res.desc,  in kexec_add_buffer()
483 		ret = walk_system_ram_res(0, -1, kbuf,  in kexec_add_buffer()
485 	if (ret != 1) {  in kexec_add_buffer()
506 	int ret = 0, i, j, zero_buf_sz, sha_region_sz;  in kexec_calculate_store_digests()  local
518 		ret = PTR_ERR(tfm);  in kexec_calculate_store_digests()
525 		ret = -ENOMEM;  in kexec_calculate_store_digests()
537 	ret = crypto_shash_init(desc);  in kexec_calculate_store_digests()
538 	if (ret < 0)  in kexec_calculate_store_digests()
543 		ret = -ENOMEM;  in kexec_calculate_store_digests()
558 		ret = crypto_shash_update(desc, ksegment->kbuf,  in kexec_calculate_store_digests()
560 		if (ret)  in kexec_calculate_store_digests()
573 			ret = crypto_shash_update(desc, zero_buf, bytes);  in kexec_calculate_store_digests()
574 			if (ret)  in kexec_calculate_store_digests()
579 		if (ret)  in kexec_calculate_store_digests()
587 	if (!ret) {  in kexec_calculate_store_digests()
588 		ret = crypto_shash_final(desc, digest);  in kexec_calculate_store_digests()
589 		if (ret)  in kexec_calculate_store_digests()
591 		ret = kexec_purgatory_get_set_symbol(image, "sha_regions",  in kexec_calculate_store_digests()
593 		if (ret)  in kexec_calculate_store_digests()
596 		ret = kexec_purgatory_get_set_symbol(image, "sha256_digest",  in kexec_calculate_store_digests()
598 		if (ret)  in kexec_calculate_store_digests()
611 	return ret;  in kexec_calculate_store_digests()
622 	int i, ret = 0, entry_sidx = -1;  in __kexec_load_purgatory()  local
725 		ret = -ENOMEM;  in __kexec_load_purgatory()
733 	ret = kexec_add_buffer(image, purgatory_buf, buf_sz, memsz,  in __kexec_load_purgatory()
736 	if (ret)  in __kexec_load_purgatory()
789 	return ret;  in __kexec_load_purgatory()
793 	return ret;  in __kexec_load_purgatory()
798 	int i, ret;  in kexec_apply_relocations()  local
839 			ret = arch_kexec_apply_relocations_add(pi->ehdr,  in kexec_apply_relocations()
842 			ret = arch_kexec_apply_relocations(pi->ehdr,  in kexec_apply_relocations()
844 		if (ret)  in kexec_apply_relocations()
845 			return ret;  in kexec_apply_relocations()
857 	int ret;  in kexec_load_purgatory()  local
878 	ret = __kexec_load_purgatory(image, min, max, top_down);  in kexec_load_purgatory()
879 	if (ret)  in kexec_load_purgatory()
880 		return ret;  in kexec_load_purgatory()
882 	ret = kexec_apply_relocations(image);  in kexec_load_purgatory()
883 	if (ret)  in kexec_load_purgatory()
894 	return ret;  in kexec_load_purgatory()