[PATCH] x86_64: Fix gcc 4 warning in aperture.c

[linux-2.6-block.git] / arch / x86_64 / kernel / aperture.c

diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c
index c9a6b812e926cf3f5c79493433cda35b5c9c7e3b..c7f4fdd20f05ff78ee731054170de372f9c0cf40 100644 (file)
--- a/arch/x86_64/kernel/aperture.c
+++ b/arch/x86_64/kernel/aperture.c
@@ -196,7 +196,7 @@ static __u32 __init search_agp_bridge(u32 *order, int *valid_agp)
 void __init iommu_hole_init(void) 
 { 
        int fix, num; 
-       u32 aper_size, aper_alloc = 0, aper_order, last_aper_order = 0;
+       u32 aper_size, aper_alloc = 0, aper_order = 0, last_aper_order = 0;
        u64 aper_base, last_aper_base = 0;
        int valid_agp = 0;
 
@@ -245,6 +245,8 @@ void __init iommu_hole_init(void)
                
        if (aper_alloc) { 
                /* Got the aperture from the AGP bridge */
+       } else if (swiotlb && !valid_agp) {
+               /* Do nothing */
        } else if ((!no_iommu && end_pfn >= 0xffffffff>>PAGE_SHIFT) ||
                   force_iommu ||
                   valid_agp ||