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-rw-r--r--drivers/scsi/scsi_lib.c13
-rw-r--r--drivers/scsi/sd.c10
-rw-r--r--drivers/scsi/sr.c31
-rw-r--r--drivers/scsi/sr.h1
-rw-r--r--drivers/scsi/sr_ioctl.c2
5 files changed, 6 insertions, 51 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index eafeeda6e194..13bf89145b18 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1984,8 +1984,7 @@ EXPORT_SYMBOL(scsi_mode_sense);
* in.
*
* Returns zero if unsuccessful or an error if TUR failed. For
- * removable media, a return of NOT_READY or UNIT_ATTENTION is
- * translated to success, with the ->changed flag updated.
+ * removable media, UNIT_ATTENTION sets ->changed flag.
**/
int
scsi_test_unit_ready(struct scsi_device *sdev, int timeout, int retries,
@@ -2012,16 +2011,6 @@ scsi_test_unit_ready(struct scsi_device *sdev, int timeout, int retries,
} while (scsi_sense_valid(sshdr) &&
sshdr->sense_key == UNIT_ATTENTION && --retries);
- if (!sshdr)
- /* could not allocate sense buffer, so can't process it */
- return result;
-
- if (sdev->removable && scsi_sense_valid(sshdr) &&
- (sshdr->sense_key == UNIT_ATTENTION ||
- sshdr->sense_key == NOT_READY)) {
- sdev->changed = 1;
- result = 0;
- }
if (!sshdr_external)
kfree(sshdr);
return result;
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index b9ab3a590e4b..8d488a9fef00 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1045,15 +1045,7 @@ static int sd_media_changed(struct gendisk *disk)
sshdr);
}
- /*
- * 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.
- */
- if (retval || (scsi_sense_valid(sshdr) &&
- /* 0x3a is medium not present */
- sshdr->asc == 0x3a)) {
+ if (retval) {
set_media_not_present(sdkp);
retval = 1;
goto out;
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index c7e29bdec2cd..310b3fac6313 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -165,32 +165,6 @@ static void scsi_cd_put(struct scsi_cd *cd)
mutex_unlock(&sr_ref_mutex);
}
-/* identical to scsi_test_unit_ready except that it doesn't
- * eat the NOT_READY returns for removable media */
-int sr_test_unit_ready(struct scsi_device *sdev, struct scsi_sense_hdr *sshdr)
-{
- int retries = MAX_RETRIES;
- int the_result;
- u8 cmd[] = {TEST_UNIT_READY, 0, 0, 0, 0, 0 };
-
- /* issue TEST_UNIT_READY until the initial startup UNIT_ATTENTION
- * conditions are gone, or a timeout happens
- */
- do {
- the_result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL,
- 0, sshdr, SR_TIMEOUT,
- retries--, NULL);
- if (scsi_sense_valid(sshdr) &&
- sshdr->sense_key == UNIT_ATTENTION)
- sdev->changed = 1;
-
- } while (retries > 0 &&
- (!scsi_status_is_good(the_result) ||
- (scsi_sense_valid(sshdr) &&
- sshdr->sense_key == UNIT_ATTENTION)));
- return the_result;
-}
-
/*
* This function checks to see if the media has been changed in the
* CDROM drive. It is possible that we have already sensed a change,
@@ -213,7 +187,8 @@ 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);
+ retval = scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES,
+ sshdr);
/*
* Media is considered to be present if TUR succeeds or fails with
* sense data indicating something other than media-not-present
@@ -784,7 +759,7 @@ static void get_capabilities(struct scsi_cd *cd)
}
/* eat unit attentions */
- sr_test_unit_ready(cd->device, &sshdr);
+ scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr);
/* ask for mode page 0x2a */
rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, 128,
diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h
index 1e144dfdbd4b..81fbc0b78a52 100644
--- a/drivers/scsi/sr.h
+++ b/drivers/scsi/sr.h
@@ -61,7 +61,6 @@ int sr_select_speed(struct cdrom_device_info *cdi, int speed);
int sr_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);
int sr_is_xa(Scsi_CD *);
-int sr_test_unit_ready(struct scsi_device *sdev, struct scsi_sense_hdr *sshdr);
/* sr_vendor.c */
void sr_vendor_init(Scsi_CD *);
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index 3cd8ffbad577..8be30554119b 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -307,7 +307,7 @@ 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" */