Re: [CHECKER] 15 potential pointer dereference errors in 2.4.3

[Andy Chou]

Here's one more potential bug for 2.4.3.

-Andy

[BUG]
/u2/acc/oses/linux/2.4.3/drivers/isdn/hysdn/hysdn_net.c:309:hysdn_net_create: ERROR:NULL:302:309: Using
NULL ptr "dev" illegally! set by 'kmalloc_Rsmp_93d4cfe6':302

Start --->
	if ((dev = kmalloc(sizeof(struct net_local), GFP_KERNEL)) ==
NULL) {
		printk(KERN_WARNING "HYSDN: unable to allocate mem\n");
		if (card->debug_flags & LOG_NET_INIT)
			return (-ENOMEM);
	}
	memset(dev, 0, sizeof(struct net_local));	/* clean the structure
*/

Error --->
	spin_lock_init(&((struct net_local *) dev)->lock);