diff --git a/modules/cas_cache/layer_cache_management.c b/modules/cas_cache/layer_cache_management.c
index 7ee0bd4..8e7827d 100644
--- a/modules/cas_cache/layer_cache_management.c
+++ b/modules/cas_cache/layer_cache_management.c
@@ -1606,22 +1606,12 @@ out_get:
 static int _cache_mngt_create_exported_object(ocf_core_t core, void *cntx)
 {
 	int result;
-	ocf_cache_t cache = ocf_core_get_cache(core);
 
 	result = block_dev_create_exported_object(core);
-	if (result) {
-		printk(KERN_ERR "Cannot to create exported object, %s.%s\n",
-				ocf_cache_get_name(cache),
-				ocf_core_get_name(core));
+	if (result)
 		return result;
-	}
 
 	result = block_dev_activate_exported_object(core);
-	if (result) {
-		printk(KERN_ERR "Cannot to activate exported object, %s.%s\n",
-				ocf_cache_get_name(cache),
-				ocf_core_get_name(core));
-	}
 
 	return result;
 }
diff --git a/modules/cas_cache/volume/vol_block_dev_top.c b/modules/cas_cache/volume/vol_block_dev_top.c
index 1daae76..57039ca 100644
--- a/modules/cas_cache/volume/vol_block_dev_top.c
+++ b/modules/cas_cache/volume/vol_block_dev_top.c
@@ -822,16 +822,24 @@ int block_dev_activate_exported_object(ocf_core_t core)
 {
 	int ret;
 	ocf_volume_t obj = ocf_core_get_volume(core);
+	ocf_cache_t cache = ocf_core_get_cache(core);
 	struct bd_object *bvol = bd_object(obj);
 
 	if (!cas_upgrade_is_in_upgrade()) {
 		ret = casdisk_functions.casdsk_exp_obj_activate(bvol->dsk);
 		if (-EEXIST == ret)
-			return KCAS_ERR_FILE_EXISTS;
+			ret = KCAS_ERR_FILE_EXISTS;
 	} else {
 		ret = casdisk_functions.casdsk_disk_attach(bvol->dsk, THIS_MODULE,
 				&_blockdev_exp_obj_ops);
 	}
+
+	if (ret) {
+		printk(KERN_ERR "Cannot activate exported object, %s.%s. "
+				"Error code %d\n", ocf_cache_get_name(cache),
+				ocf_core_get_name(core), ret);
+	}
+
 	return ret;
 }
 
@@ -871,8 +879,10 @@ int block_dev_create_exported_object(ocf_core_t core)
 			get_core_id_string(core));
 
 	dsk = casdisk_functions.casdsk_disk_claim(uuid->data, core);
-	if (dsk != bvol->dsk)
-		return -KCAS_ERR_SYSTEM;
+	if (dsk != bvol->dsk) {
+		result = -KCAS_ERR_SYSTEM;
+		goto end;
+	}
 
 	if (cas_upgrade_is_in_upgrade()) {
 		bvol->expobj_valid = true;
@@ -884,6 +894,11 @@ int block_dev_create_exported_object(ocf_core_t core)
 	if (!result)
 		bvol->expobj_valid = true;
 
+end:
+	if (result) {
+		printk(KERN_ERR "Cannot create exported object %s. Error code %d\n",
+				dev_name, result);
+	}
 	return result;
 }
 
diff --git a/modules/cas_disk/exp_obj.c b/modules/cas_disk/exp_obj.c
index ad856b1..a4d2ebe 100644
--- a/modules/cas_disk/exp_obj.c
+++ b/modules/cas_disk/exp_obj.c
@@ -557,8 +557,8 @@ int casdsk_exp_obj_create(struct casdsk_disk *dsk, const char *dev_name,
 	}
 
 	queue = blk_mq_init_queue(&dsk->tag_set);
-	if (!queue) {
-		result = -ENOMEM;
+	if (IS_ERR_OR_NULL(queue)) {
+		result = queue ? PTR_ERR(queue) : -ENOMEM;
 		goto error_init_queue;
 	}