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-rw-r--r--arch/sh/mm/ioremap_fixed.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/sh/mm/ioremap_fixed.c b/arch/sh/mm/ioremap_fixed.c
index 551b513e8fce..0b78b1e20ef1 100644
--- a/arch/sh/mm/ioremap_fixed.c
+++ b/arch/sh/mm/ioremap_fixed.c
@@ -93,9 +93,7 @@ ioremap_fixed(resource_size_t phys_addr, unsigned long offset,
int iounmap_fixed(void __iomem *addr)
{
enum fixed_addresses idx;
- unsigned long virt_addr;
struct ioremap_map *map;
- unsigned long offset;
unsigned int nrpages;
int i, slot;
@@ -114,12 +112,9 @@ int iounmap_fixed(void __iomem *addr)
if (slot < 0)
return -EINVAL;
- virt_addr = (unsigned long)addr;
+ nrpages = map->size >> PAGE_SHIFT;
- offset = virt_addr & ~PAGE_MASK;
- nrpages = PAGE_ALIGN(offset + map->size - 1) >> PAGE_SHIFT;
-
- idx = FIX_IOREMAP_BEGIN + slot + nrpages;
+ idx = FIX_IOREMAP_BEGIN + slot + nrpages - 1;
while (nrpages > 0) {
__clear_fixmap(idx, __pgprot(_PAGE_WIRED));
--idx;
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