# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Date 1187841884 -32400
# Node ID 0fd07c0d81649d8aa561cc741ebd0b1dc34b329a
# Parent  514f1ea0a16783ccc9832d340f22b49eebda987c
fix __ioremap() paravirtualization.
__ioremap() should return NULL when error.
PATCHNAME: fix_ioremap_null

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r 514f1ea0a167 -r 0fd07c0d8164 arch/ia64/mm/ioremap.c
--- a/arch/ia64/mm/ioremap.c	Tue Aug 21 12:14:28 2007 +0900
+++ b/arch/ia64/mm/ioremap.c	Thu Aug 23 13:04:44 2007 +0900
@@ -18,7 +18,7 @@ __ioremap (unsigned long offset, unsigne
 {
 	offset = HYPERVISOR_ioremap(offset, size);
 	if (IS_ERR_VALUE(offset))
-		return (void __iomem*)offset;
+		return NULL;
 	return (void __iomem *) (__IA64_UNCACHED_OFFSET | offset);
 }