


Q: Given the following code slice:
```
CWE-476___CVE-2024-36945.c___1-26___17.c_vul.c
1 int smc_ib_find_route(struct net *net, __be32 saddr, __be32 daddr,
8 		.daddr = daddr
11 	if (daddr == cpu_to_be32(INADDR_NONE))
13 	rt = ip_route_output_flow(net, &fl4, NULL);
14 	if (IS_ERR(rt))
16 	if (rt->rt_uses_gateway && rt->rt_gw_family != AF_INET)
17 		goto out;

```
which has a vulnerability among CWE-476 and among lines:
```
17 		goto out;
```
Please generate five possible patches for the vulnerability.
A: The patch can be done in two steps.
Step 1. 