[packages/kernel.git] / 2.6-mremap-lkml.patch

===== mm/mremap.c 1.33 vs edited =====
--- 1.33/mm/mremap.c	Sat Aug 23 23:50:10 2003
+++ edited/mm/mremap.c	Mon Jan  5 08:34:21 2004
@@ -315,6 +315,10 @@
 	old_len = PAGE_ALIGN(old_len);
 	new_len = PAGE_ALIGN(new_len);
 
+	/* Don't allow the degenerate cases */
+	if (!(old_len | new_len))
+		goto out;
+
 	/* new_addr is only valid if MREMAP_FIXED is specified */
 	if (flags & MREMAP_FIXED) {
 		if (new_addr & ~PAGE_MASK)
Commit	Line	Data
f892c590	1	===== mm/mremap.c 1.33 vs edited =====
	2	--- 1.33/mm/mremap.c Sat Aug 23 23:50:10 2003
	3	+++ edited/mm/mremap.c Mon Jan 5 08:34:21 2004
	4	@@ -315,6 +315,10 @@
	5	old_len = PAGE_ALIGN(old_len);
	6	new_len = PAGE_ALIGN(new_len);
	7
	8	+ /* Don't allow the degenerate cases */
	9	+ if (!(old_len \| new_len))
	10	+ goto out;
	11	+
	12	/* new_addr is only valid if MREMAP_FIXED is specified */
	13	if (flags & MREMAP_FIXED) {
	14	if (new_addr & ~PAGE_MASK)