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path: root/drivers/scsi/sr_ioctl.c
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Diffstat (limited to 'drivers/scsi/sr_ioctl.c')
-rw-r--r--drivers/scsi/sr_ioctl.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index 291236e6e43..a3911c39ea5 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -4,9 +4,11 @@
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/blkdev.h>
+#include <linux/module.h>
#include <linux/blkpg.h>
#include <linux/cdrom.h>
#include <linux/delay.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/uaccess.h>
@@ -306,7 +308,7 @@ int sr_drive_status(struct cdrom_device_info *cdi, int slot)
/* we have no changer support */
return -EINVAL;
}
- if (0 == sr_test_unit_ready(cd->device, &sshdr))
+ if (!scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr))
return CDS_DISC_OK;
/* SK/ASC/ASCQ of 2/4/1 means "unit is becoming ready" */
@@ -324,6 +326,15 @@ int sr_drive_status(struct cdrom_device_info *cdi, int slot)
}
/*
+ * SK/ASC/ASCQ of 2/4/2 means "initialization required"
+ * Using CD_TRAY_OPEN results in an START_STOP_UNIT to close
+ * the tray, which resolves the initialization requirement.
+ */
+ if (scsi_sense_valid(&sshdr) && sshdr.sense_key == NOT_READY
+ && sshdr.asc == 0x04 && sshdr.ascq == 0x02)
+ return CDS_TRAY_OPEN;
+
+ /*
* 0x04 is format in progress .. but there must be a disc present!
*/
if (sshdr.sense_key == NOT_READY && sshdr.asc == 0x04)