74 	struct mem_range signature = {  in incfs_end_enable_verity()  local
98 	error = incfs_write_verity_signature_to_backing_file(bfc, signature,  in incfs_end_enable_verity()
116 			.size = signature.len,  in incfs_end_enable_verity()
212 					u8 *signature, size_t sig_size)  in incfs_calc_verity_digest_from_desc()  argument
242 	err = __fsverity_verify_signature(inode, signature, sig_size,  in incfs_calc_verity_digest_from_desc()
281 					u8 *signature, size_t signature_size,  in incfs_calc_verity_digest()  argument
291 						signature, signature_size);  in incfs_calc_verity_digest()
430 	struct incfs_df_signature *signature = NULL;  in incfs_add_signature_record()  local
490 	signature = kzalloc(sizeof(*signature), GFP_NOFS);  in incfs_add_signature_record()
491 	if (!signature) {  in incfs_add_signature_record()
495 	*signature = (struct incfs_df_signature) {  in incfs_add_signature_record()
501 	df->df_signature = signature;  in incfs_add_signature_record()
502 	signature = NULL;  in incfs_add_signature_record()
512 	kfree(signature);  in incfs_add_signature_record()
522 	u8 *signature = NULL;  in incfs_enable_verity()  local
544 		signature = memdup_user(u64_to_user_ptr(arg->sig_ptr),  in incfs_enable_verity()
546 		if (IS_ERR(signature)) {  in incfs_enable_verity()
547 			err = PTR_ERR(signature);  in incfs_enable_verity()
548 			signature = NULL;  in incfs_enable_verity()
553 	verity_file_digest = incfs_calc_verity_digest(inode, filp, signature,  in incfs_enable_verity()
561 	err = incfs_end_enable_verity(filp, signature, arg->sig_size);  in incfs_enable_verity()
570 	kfree(signature);  in incfs_enable_verity()
617 	u8 *signature;  in incfs_get_verity_signature()  local
634 	signature = kzalloc(vs->size, GFP_KERNEL);  in incfs_get_verity_signature()
635 	if (!signature)  in incfs_get_verity_signature()
639 			  signature, vs->size, vs->offset);  in incfs_get_verity_signature()
650 	return signature;  in incfs_get_verity_signature()
653 	kfree(signature);  in incfs_get_verity_signature()
661 	u8 *signature = NULL;  in ensure_verity_info()  local
670 	signature = incfs_get_verity_signature(filp, &sig_size);  in ensure_verity_info()
671 	if (IS_ERR(signature))  in ensure_verity_info()
672 		return PTR_ERR(signature);  in ensure_verity_info()
674 	verity_file_digest = incfs_calc_verity_digest(inode, filp, signature,  in ensure_verity_info()
685 	kfree(signature);  in ensure_verity_info()
803 	static u8 *signature;  in incfs_read_signature()  local
806 	signature = incfs_get_verity_signature(filp, &sig_size);  in incfs_read_signature()
807 	if (IS_ERR(signature))  in incfs_read_signature()
808 		return PTR_ERR(signature);  in incfs_read_signature()
810 	if (!signature)  in incfs_read_signature()
814 	err = copy_to_user(buf, signature, length);  in incfs_read_signature()
815 	kfree(signature);  in incfs_read_signature()