From e6def2e6be6a1cb87874cf8589ccdcb6ee3eec1e Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 7 Apr 2021 19:09:50 +0900
Subject: [PATCH] udev: add missing initialization to fix freeing invalid
 address

Releated: #1939914

(cherry picked from commit b08c3fbe0e3f310b520d17be92110b4cb96a5f2c)
---
 src/udev/udev-builtin-net_id.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c
index b57227a09f..816661fb93 100644
--- a/src/udev/udev-builtin-net_id.c
+++ b/src/udev/udev-builtin-net_id.c
@@ -498,7 +498,7 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
                         attr = udev_device_get_sysattr_value(hotplug_slot_dev, "function_id");
                         if (attr) {
                                 int function_id;
-                                _cleanup_free_ char *str;
+                                _cleanup_free_ char *str = NULL;
 
                                 if (safe_atoi(attr, &function_id) >= 0 &&
                                     asprintf(&str, "%s/%08x/", slots, function_id) >= 0 &&
