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[Qemu-devel] [PATCH v2 04/37] hw/usb-storage: Check whether BB is insert


From: Max Reitz
Subject: [Qemu-devel] [PATCH v2 04/37] hw/usb-storage: Check whether BB is inserted
Date: Mon, 9 Feb 2015 12:11:04 -0500

Only call bdrv_key_required() on the BlockDriverState if the
BlockBackend has an inserted medium.

Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
 hw/usb/dev-storage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 4539733..3123baf 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -638,7 +638,7 @@ static void usb_msd_realize_storage(USBDevice *dev, Error 
**errp)
     usb_msd_handle_reset(dev);
     s->scsi_dev = scsi_dev;
 
-    if (bdrv_key_required(blk_bs(blk))) {
+    if (blk_is_inserted(blk) && bdrv_key_required(blk_bs(blk))) {
         if (cur_mon) {
             monitor_read_bdrv_key_start(cur_mon, blk_bs(blk),
                                         usb_msd_password_cb, s);
-- 
2.1.0




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