x86/pci-calgary: Fix iommu_free() comparison of unsigned expression >= 0

[pandora-kernel.git] / arch / x86 / kernel / pci-calgary_64.c

diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 726494b..809b35e 100644 (file)
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -295,7 +295,7 @@ static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
 
        /* were we called with bad_dma_address? */
        badend = DMA_ERROR_CODE + (EMERGENCY_PAGES * PAGE_SIZE);
-       if (unlikely((dma_addr >= DMA_ERROR_CODE) && (dma_addr < badend))) {
+       if (unlikely(dma_addr < badend)) {
                WARN(1, KERN_ERR "Calgary: driver tried unmapping bad DMA "
                       "address 0x%Lx\n", dma_addr);
                return;