net/wanrouter/wanmain.c: check kmalloc() return value.

Description: Check the return value of kmalloc() in function dbg_kmalloc(), in file net/wanrouter/wanmain.c.

index 316211d..263450c 100644
@@ -67,6 +67,8 @@ static void * dbg_kmalloc(unsigned int s
 	int i = 0;
 	void * v = kmalloc(size+sizeof(unsigned int)+2*KMEM_SAFETYZONE*8,prio);
 	char * c1 = v;
+	if (!v)
+		return NULL;
 	c1 += sizeof(unsigned int);
 	*((unsigned int *)v) = size;
 

From: Amit Choudhary <[email protected]>
Date: Thu, 8 Mar 2007 23:26:54 -0800

There is no reason for any subsystem to implement it's own debugging allocator when we have one that works perfectly fine already in SLAB.

So to fix this we should simply remove all of the allocation debugging code here.