On Monday 10 September 2012 17:16:22 Aaron Lu wrote:
> +static int sr_resume(struct device *dev)
> +{
> + struct scsi_cd *cd;
> + struct scsi_sense_hdr sshdr;
> +
> + cd = dev_get_drvdata(dev);
> +
> + if (!cd->device->powered_off)
> + return 0;
> +
> + /* get the disk ready */
> + scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr);
> +
> + /* if user wakes up the ODD, eject the tray */
> + if (cd->device->need_eject) {
> + cd->device->need_eject = 0;
> + if (!(cd->cdi.mask & CDC_CLOSE_TRAY))
> + sr_tray_move(&cd->cdi, 1);
1. Even if the door is locked?
2. sr_tray_move allocates memory with GFP_KERNEL. This smells of a deadlock.
Regards
Oliver
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