drm/nv50: fix iommu errors caused by device reading from address 0

[safe/jmp/linux-2.6] / drivers / block / xen-blkfront.c

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index f9861aa..82ed403 100644 (file)
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -40,6 +40,7 @@
 #include <linux/hdreg.h>
 #include <linux/cdrom.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/scatterlist.h>
 
 #include <xen/xen.h>
@@ -353,8 +354,7 @@ static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size)
        blk_queue_max_segment_size(rq, PAGE_SIZE);
 
        /* Ensure a merged request will fit in a single I/O ring slot. */
-       blk_queue_max_phys_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
-       blk_queue_max_hw_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
+       blk_queue_max_segments(rq, BLKIF_MAX_SEGMENTS_PER_REQUEST);
 
        /* Make sure buffer addresses are sector-aligned. */
        blk_queue_dma_alignment(rq, 511);