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lsi: Purge request queue on soft reset

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Avoid keeping zombie requests across controller reset by purging the
queue and also dropping the currently active request.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2010-04-30 14:06:12 +02:00 committed by Anthony Liguori
parent 37905d6ae5
commit 51336214da
1 changed files with 11 additions and 0 deletions
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11
hw/lsi53c895a.c
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@ -283,6 +283,8 @@ static inline int lsi_irq_on_rsl(LSIState *s)
static void lsi_soft_reset(LSIState *s) static void lsi_soft_reset(LSIState *s)
{ {
lsi_request *p;
DPRINTF("Reset\n"); DPRINTF("Reset\n");
s->carry = 0; s->carry = 0;
@ -345,6 +347,15 @@ static void lsi_soft_reset(LSIState *s)
s->sbc = 0; s->sbc = 0;
s->csbc = 0; s->csbc = 0;
s->sbr = 0; s->sbr = 0;
while (!QTAILQ_EMPTY(&s->queue)) {
p = QTAILQ_FIRST(&s->queue);
QTAILQ_REMOVE(&s->queue, p, next);
qemu_free(p);
}
if (s->current) {
qemu_free(s->current);
s->current = NULL;
}
} }
static int lsi_dma_40bit(LSIState *s) static int lsi_dma_40bit(LSIState *s)