diff --git i/drivers/parport/procfs.c w/drivers/parport/procfs.c
index 7aa99c65b934..0e3b01368aec 100644
--- i/drivers/parport/procfs.c
+++ w/drivers/parport/procfs.c
@@ -423,12 +423,24 @@ parport_default_sysctl_table = {
 int parport_proc_register(struct parport *port)
 {
 	struct parport_sysctl_table *t;
-	char *tmp_dir_path;
+	char *parport_name_devices, *parport_name;
 	int i, err = 0;
 
+	parport_name_devices = kasprintf(GFP_KERNEL, "dev/parport/%s/devices", port->name);
+	if (!parport_name_devices)
+		return -ENOMEM;
+
+	parport_name = kasprintf(GFP_KERNEL, "dev/parport/%s", port->name);
+	if (!parport_name) {
+		err = -ENOMEM;
+		goto exit_partport_name_devices;
+	}
+
 	t = kmemdup(&parport_sysctl_template, sizeof(*t), GFP_KERNEL);
-	if (t == NULL)
-		return -ENOMEM;
+	if (t == NULL) {
+		err = -ENOMEM;
+		goto exit_parport_name;
+	}
 
 	t->device_dir[0].extra1 = port;
 
@@ -438,27 +450,13 @@ int parport_proc_register(struct parport *port)
 		t->vars[5 + i].extra2 = &port->probe_info[i];
 	}
 
-	tmp_dir_path = kasprintf(GFP_KERNEL, "dev/parport/%s/devices", port->name);
-	if (!tmp_dir_path) {
-		err = -ENOMEM;
-		goto exit_free_t;
-	}
-
-	t->devices_header = register_sysctl(tmp_dir_path, t->device_dir);
+	t->devices_header = register_sysctl(parport_name_devices, t->device_dir);
 	if (t->devices_header == NULL) {
 		err = -ENOENT;
-		goto  exit_free_tmp_dir_path;
+		goto exit_free_t;
 	}
 
-	kfree(tmp_dir_path);
-
-	tmp_dir_path = kasprintf(GFP_KERNEL, "dev/parport/%s", port->name);
-	if (!tmp_dir_path) {
-		err = -ENOMEM;
-		goto unregister_devices_h;
-	}
-
-	t->port_header = register_sysctl(tmp_dir_path, t->vars);
+	t->port_header = register_sysctl(parport_name, t->vars);
 	if (t->port_header == NULL) {
 		err = -ENOENT;
 		goto unregister_devices_h;
@@ -466,17 +464,19 @@ int parport_proc_register(struct parport *port)
 
 	port->sysctl_table = t;
 
-	kfree(tmp_dir_path);
-	return 0;
+	goto exit_parport_name;
 
 unregister_devices_h:
 	unregister_sysctl_table(t->devices_header);
 
-exit_free_tmp_dir_path:
-	kfree(tmp_dir_path);
-
 exit_free_t:
 	kfree(t);
+
+exit_parport_name:
+	kfree(parport_name);
+
+exit_partport_name_devices:
+	kfree(parport_name_devices);
 	return err;
 }