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