[Xen-changelog] [qemu-upstream-unstable] ide: Fix status register after short PRDs

[patchbot@xxxxxxx]

commit 72bcca73c7a67c8506fa737618861ad413dabf38
Author: Kevin Wolf <kwolf@xxxxxxxxxx>
Date:   Tue Nov 20 17:27:44 2012 +0100

    ide: Fix status register after short PRDs
    
    When failing a request because the length of the regions described by
    the PRDT was too short for the requested number of sectors, the IDE
    emulation forgot to update the status register, so that the device would
    keep the BSY flag set indefinitely.
    
    Signed-off-by: Kevin Wolf <kwolf@xxxxxxxxxx>
    Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
---
 hw/ide/core.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/hw/ide/core.c b/hw/ide/core.c
index c2ab787..8da894f 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -625,6 +625,7 @@ void ide_dma_cb(void *opaque, int ret)
     if (s->bus->dma->ops->prepare_buf(s->bus->dma, ide_cmd_is_read(s)) == 0) {
         /* The PRDs were too short. Reset the Active bit, but don't raise an
          * interrupt. */
+        s->status = READY_STAT | SEEK_STAT;
         goto eot;
     }
 
--
generated by git-patchbot for /home/xen/git/qemu-upstream-unstable.git

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