diff --git a/lib/device/dev-cache.c b/lib/device/dev-cache.c
index e038263ac..d61185ff4 100644
--- a/lib/device/dev-cache.c
+++ b/lib/device/dev-cache.c
@@ -409,13 +409,13 @@ int get_sysfs_value(const char *path, char *buf, size_t buf_size, int error_if_n
 
 	if (!(fp = fopen(path, "r"))) {
 		if (error_if_no_value)
-			log_sys_error("fopen", path);
+			log_sys_debug("fopen", path);
 		return 0;
 	}
 
 	if (!fgets(buf, buf_size, fp)) {
 		if (error_if_no_value)
-			log_sys_error("fgets", path);
+			log_sys_debug("fgets", path);
 		goto out;
 	}
 
diff --git a/lib/device/dev-mpath.c b/lib/device/dev-mpath.c
index 8e4393a21..3417f392f 100644
--- a/lib/device/dev-mpath.c
+++ b/lib/device/dev-mpath.c
@@ -759,12 +759,14 @@ const char *dev_mpath_component_wwid(struct cmd_context *cmd, struct device *dev
 		/* read /sys/block/sda/device/wwid */
 
 		if (dm_snprintf(wwid_path, sizeof(wwid_path), "%sblock/%s/device/wwid",
-       				dm_sysfs_dir(), slave_name) < 0) {
+				dm_sysfs_dir(), slave_name) < 0) {
 			log_warn("Failed to create sysfs wwid path for %s", slave_name);
 			continue;
 		}
 
-		get_sysfs_value(wwid_path, sysbuf, sizeof(sysbuf), 0);
+		if (!get_sysfs_value(wwid_path, sysbuf, sizeof(sysbuf), 0))
+			stack;
+
 		if (!sysbuf[0])
 			continue;
 
@@ -784,5 +786,3 @@ const char *dev_mpath_component_wwid(struct cmd_context *cmd, struct device *dev
 
 	return wwid;
 }
-
-
diff --git a/lib/device/device_id.c b/lib/device/device_id.c
index 425c0d64b..8fa7b519d 100644
--- a/lib/device/device_id.c
+++ b/lib/device/device_id.c
@@ -215,7 +215,9 @@ static int _searched_devnames_exists(struct cmd_context *cmd,
 	if (pvids_ok && devs_ok)
 		ret = 1;
 out:
-	fclose(fp);
+	if (fclose(fp))
+		log_sys_debug("fclose", _searched_file);
+
 	log_debug("searched_devnames %s file pvids %d %u devs %d %u search pvids %d %u devs %d %u",
 		  ret ? "match" : "differ",
 		  pvids_count_file, pvids_hash_file, devs_count_file, devs_hash_file,