fix warning in io_mapping_map_wc()

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h
index cbc2f0c..0adb0f9 100644 (file)
--- a/include/linux/io-mapping.h
+++ b/include/linux/io-mapping.h
@@ -91,8 +91,11 @@ io_mapping_unmap_atomic(void *vaddr)
 static inline void *
 io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset)
 {
+       resource_size_t phys_addr;
+
        BUG_ON(offset >= mapping->size);
-       resource_size_t phys_addr = mapping->base + offset;
+       phys_addr = mapping->base + offset;
+
        return ioremap_wc(phys_addr, PAGE_SIZE);
 }