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Diffstat (limited to 'hw/block/xen_disk.c')
-rw-r--r--hw/block/xen_disk.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/block/xen_disk.c b/hw/block/xen_disk.c
index 0ac65d4e8f..247f32f4ee 100644
--- a/hw/block/xen_disk.c
+++ b/hw/block/xen_disk.c
@@ -780,11 +780,13 @@ static int blk_connect(struct XenDevice *xendev)
{
struct XenBlkDev *blkdev = container_of(xendev, struct XenBlkDev, xendev);
int pers, index, qflags;
+ bool readonly = true;
/* read-only ? */
qflags = BDRV_O_CACHE_WB | BDRV_O_NATIVE_AIO;
if (strcmp(blkdev->mode, "w") == 0) {
qflags |= BDRV_O_RDWR;
+ readonly = false;
}
/* init qemu block driver */
@@ -795,8 +797,10 @@ static int blk_connect(struct XenDevice *xendev)
xen_be_printf(&blkdev->xendev, 2, "create new bdrv (xenbus setup)\n");
blkdev->bs = bdrv_new(blkdev->dev);
if (blkdev->bs) {
- if (bdrv_open(blkdev->bs, blkdev->filename, NULL, qflags,
- bdrv_find_whitelisted_format(blkdev->fileproto)) != 0) {
+ BlockDriver *drv = bdrv_find_whitelisted_format(blkdev->fileproto,
+ readonly);
+ if (bdrv_open(blkdev->bs,
+ blkdev->filename, NULL, qflags, drv) != 0) {
bdrv_delete(blkdev->bs);
blkdev->bs = NULL;
}