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ide: fix cmd_read_pio when nsectors > 1 

Similar to the cmd_write_pio fix, update the nsector count and
ide sector before we invoke ide_transfer_start.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Andreas Färber <afaerber@suse.de>
Message-id: 1426811056-2202-3-git-send-email-jsnow@redhat.com
master
John Snow 2015-03-19 20:24:14 -04:00
parent 6aff22c013
commit dd0bf7baab
1 changed files with 3 additions and 5 deletions
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8
hw/ide/core.c
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@ -587,14 +587,12 @@ static void ide_sector_read_cb(void *opaque, int ret)
n = s->req_nb_sectors;
}
/* Allow the guest to read the io_buffer */
ide_transfer_start(s, s->io_buffer, n * BDRV_SECTOR_SIZE, ide_sector_read);
ide_set_irq(s->bus);
ide_set_sector(s, ide_get_sector(s) + n);
s->nsector -= n;
/* Allow the guest to read the io_buffer */
ide_transfer_start(s, s->io_buffer, n * BDRV_SECTOR_SIZE, ide_sector_read);
s->io_buffer_offset += 512 * n;
ide_set_irq(s->bus);
}
static void ide_sector_read(IDEState *s)