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authorArnd Bergmann <arnd@arndb.de>2011-10-20 18:32:02 +0200
committerArnd Bergmann <arnd@arndb.de>2011-10-20 18:32:02 +0200
commit91056a63a7d8dbc817747a22d9a9490463323575 (patch)
treea220d265d01075c05f4cd35d998e65849bb47bc8 /arch/x86/xen/mmu.c
parent05d900c9d8ce536c6792efb323c82b1c97b54bf9 (diff)
parentf2d8df92f69b8c719ca1a46d2615b168b2cc9cdf (diff)
Merge branch 'imx-cleanups-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into imx/cleanup
Diffstat (limited to 'arch/x86/xen/mmu.c')
-rw-r--r--arch/x86/xen/mmu.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 20a61427506..3dd53f997b1 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1721,10 +1721,8 @@ void __init xen_setup_machphys_mapping(void)
machine_to_phys_nr = MACH2PHYS_NR_ENTRIES;
}
#ifdef CONFIG_X86_32
- if ((machine_to_phys_mapping + machine_to_phys_nr)
- < machine_to_phys_mapping)
- machine_to_phys_nr = (unsigned long *)NULL
- - machine_to_phys_mapping;
+ WARN_ON((machine_to_phys_mapping + (machine_to_phys_nr - 1))
+ < machine_to_phys_mapping);
#endif
}