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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@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Kevin Wolf 2012-11-20 17:27:44 +01:00 committed by Stefan Hajnoczi
parent 038268e2e8
commit 72bcca73c7
1 changed files with 1 additions and 0 deletions
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hw/ide/core.c
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@ -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;
}