x86: early_ioremap_reset fix
This patch fixes a bug of early_ioremap_reset.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/mm/ioremap_32.c b/arch/x86/mm/ioremap_32.c
index 43b5e9f..bfd7b8b 100644
--- a/arch/x86/mm/ioremap_32.c
+++ b/arch/x86/mm/ioremap_32.c
@@ -247,7 +247,7 @@
unsigned long *pte, phys, addr;
after_paging_init = 1;
- for (idx = FIX_BTMAP_BEGIN; idx <= FIX_BTMAP_END; idx--) {
+ for (idx = FIX_BTMAP_BEGIN; idx >= FIX_BTMAP_END; idx--) {
addr = fix_to_virt(idx);
pte = early_ioremap_pte(addr);
if (!*pte & _PAGE_PRESENT) {