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authorArnd Bergmann <arnd@arndb.de>2011-10-08 01:07:41 +0400
committerArnd Bergmann <arnd@arndb.de>2011-10-08 01:07:41 +0400
commit8efc59ad6764ade520012cb192cd484e5191cd9c (patch)
treed2465d91ebb2652e35cd08f715fc202b3f9e042a /arch/x86/xen/mmu.c
parent6f6184a9d01880a3e21349544f73b3720ce5e152 (diff)
parent492c4a0df11573e141a2decc6012b3bddd14a11e (diff)
downloadlinux-8efc59ad6764ade520012cb192cd484e5191cd9c.tar.xz
Merge branch 'sirf/cleanup' into next/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 20a614275064..3dd53f997b11 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
}