Commit dd0bf7ba authored by John Snow's avatar John Snow
Browse files

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: default avatarJohn Snow <jsnow@redhat.com>
Reviewed-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Tested-by: default avatarAndreas Färber <afaerber@suse.de>
Message-id: 1426811056-2202-3-git-send-email-jsnow@redhat.com
parent 6aff22c0

hw/ide/core.c

+3 −5
Original line number Diff line number Diff line
@@ -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)