


Q: Given the following code slice:
```
CWE-190___CVE-2024-36015.c___1-41___17.c_vul.c
1 static int register_device(int minor, struct pp_struct *pp)
3 	struct parport *port;
5 	char *name;
9 	name = kasprintf(GFP_KERNEL, CHRDEV "%x", minor);
10 	if (name == NULL)
13 	port = parport_find_number(minor);
14 	if (!port) {
17 		goto err;

```
which has a vulnerability among CWE-190 and among lines:
```
17 		goto err;
```
Please generate five possible patches for the vulnerability.
A: The patch can be done in two steps.
Step 1. 