patch-2.4.20 linux-2.4.20/mm/vmalloc.c

• Lines: 14
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/mm/vmalloc.c
• Orig date: Mon Feb 25 11:38:14 2002

diff -urN linux-2.4.19/mm/vmalloc.c linux-2.4.20/mm/vmalloc.c
@@ -176,7 +176,13 @@
 	area = (struct vm_struct *) kmalloc(sizeof(*area), GFP_KERNEL);
 	if (!area)
 		return NULL;
+
 	size += PAGE_SIZE;
+	if (!size) {
+		kfree (area);
+		return NULL;
+	}
+
 	addr = VMALLOC_START;
 	write_lock(&vmlist_lock);
 	for (p = &vmlist; (tmp = *p) ; p = &tmp->next) {