[ARM] 3526/1: ioremap should use vunmap instead of vfree on ARM

Patch from Catalin Marinas

This patch modifies the __ioremap_pfn and __iounmap functions in
arch/arm/mm/ioremap.c to use vunmap instead of vfree.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 25e0ca3..c1f7180 100644 (file)
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -141,7 +141,7 @@ __ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
                return NULL;
        addr = (unsigned long)area->addr;
        if (remap_area_pages(addr, pfn, size, flags)) {
-               vfree((void *)addr);
+               vunmap((void *)addr);
                return NULL;
        }
        return (void __iomem *) (offset + (char *)addr);
@@ -173,7 +173,7 @@ EXPORT_SYMBOL(__ioremap);
 
 void __iounmap(void __iomem *addr)
 {
-       vfree((void *) (PAGE_MASK & (unsigned long) addr));
+       vunmap((void *)(PAGE_MASK & (unsigned long)addr));
 }
 EXPORT_SYMBOL(__iounmap);