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path: root/drivers/scsi/sr.c
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Diffstat (limited to 'drivers/scsi/sr.c')
-rw-r--r--drivers/scsi/sr.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index d7b383c96d5d..c7e29bdec2cd 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -214,13 +214,17 @@ static int sr_media_change(struct cdrom_device_info *cdi, int slot)
sshdr = kzalloc(sizeof(*sshdr), GFP_KERNEL);
retval = sr_test_unit_ready(cd->device, sshdr);
- if (retval || (scsi_sense_valid(sshdr) &&
- /* 0x3a is medium not present */
- sshdr->asc == 0x3a)) {
- /* Media not present or unable to test, unit probably not
- * ready. This usually means there is no disc in the drive.
- * Mark as changed, and we will figure it out later once
- * the drive is available again.
+ /*
+ * Media is considered to be present if TUR succeeds or fails with
+ * sense data indicating something other than media-not-present
+ * (ASC 0x3a).
+ */
+ if (!scsi_status_is_good(retval) &&
+ (!scsi_sense_valid(sshdr) || sshdr->asc == 0x3a)) {
+ /*
+ * Probably no media in the device. Mark as changed, and
+ * we will figure it out later once the drive is available
+ * again.
*/
cd->device->changed = 1;
/* This will force a flush, if called from check_disk_change */