USB: another ehci_iaa_watchdog fix

[sfrench/cifs-2.6.git] / block / blk-settings.c

diff --git a/block/blk-settings.c b/block/blk-settings.c
index 1344a0ea5cc6c00a89ef9536cbbfda7183d2b28b..5713f7e5cbd266c6db06a8b5311b0ffa97d225b2 100644 (file)
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -140,7 +140,7 @@ void blk_queue_bounce_limit(struct request_queue *q, u64 dma_addr)
        /* Assume anything <= 4GB can be handled by IOMMU.
           Actually some IOMMUs can handle everything, but I don't
           know of a way to test this here. */
-       if (b_pfn <= (min_t(u64, 0xffffffff, BLK_BOUNCE_HIGH) >> PAGE_SHIFT))
+       if (b_pfn < (min_t(u64, 0x100000000UL, BLK_BOUNCE_HIGH) >> PAGE_SHIFT))
                dma = 1;
        q->bounce_pfn = max_low_pfn;
 #else