Access to elfcorehdr_addr needs to be guarded by #if CONFIG_PROC_FS
as well as the existing #if guards.
Fixes the following build problem:
arch/ia64/hp/common/built-in.o: In function
`sba_init':arch/ia64/hp/common/sba_iommu.c:2043: undefined reference to `elfcorehdr_addr'
:arch/ia64/hp/common/sba_iommu.c:2043: undefined reference to `elfcorehdr_addr'
Signed-off-by: Simon Horman <horms at verge.net.au>
Index: net-2.6/arch/ia64/hp/common/sba_iommu.c
===================================================================
--- net-2.6.orig/arch/ia64/hp/common/sba_iommu.c 2007-11-12 12:49:23.000000000 +0900
+++ net-2.6/arch/ia64/hp/common/sba_iommu.c 2007-11-12 13:29:07.000000000 +0900
@@ -2034,7 +2034,8 @@ sba_init(void)
if (!ia64_platform_is("hpzx1") && !ia64_platform_is("hpzx1_swiotlb"))
return 0;
-#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP)
+#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP) && \
+ defined(CONFIG_PROC_FS)
/* If we are booting a kdump kernel, the sba_iommu will
* cause devices that were not shutdown properly to MCA
* as soon as they are turned back on. Our only option for
