1 files changed, 10 insertions, 5 deletions

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 09e3df42a402..5ba5c2a9e8e9 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -664,7 +664,7 @@ static void sd_unprep_fn(struct request_queue *q, struct request *rq)
 }
 
 /**
- *      sd_init_command - build a scsi (read or write) command from
+ *      sd_prep_fn - build a scsi (read or write) command from
  *      information in the request structure.
  *      @SCpnt: pointer to mid-level's per scsi command structure that
  *      contains request and into which the scsi command is written
@@ -711,7 +711,7 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
         ret = BLKPREP_KILL;
 
         SCSI_LOG_HLQUEUE(1, scmd_printk(KERN_INFO, SCpnt,
-                                        "sd_init_command: block=%llu, "
+                                        "sd_prep_fn: block=%llu, "
                                         "count=%d\n",
                                         (unsigned long long)block,
                                         this_count));
@@ -1212,9 +1212,14 @@ static unsigned int sd_check_events(struct gendisk *disk, unsigned int clearing)
         retval = -ENODEV;
 
         if (scsi_block_when_processing_errors(sdp)) {
+                retval = scsi_autopm_get_device(sdp);
+                if (retval)
+                        goto out;
+
                 sshdr  = kzalloc(sizeof(*sshdr), GFP_KERNEL);
                 retval = scsi_test_unit_ready(sdp, SD_TIMEOUT, SD_MAX_RETRIES,
                                               sshdr);
+                scsi_autopm_put_device(sdp);
         }
 
         /* failed to execute TUR, assume media not present */
@@ -2644,8 +2649,8 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
  *      (e.g. /dev/sda). More precisely it is the block device major 
  *      and minor number that is chosen here.
  *
- *      Assume sd_attach is not re-entrant (for time being)
- *      Also think about sd_attach() and sd_remove() running coincidentally.
+ *      Assume sd_probe is not re-entrant (for time being)
+ *      Also think about sd_probe() and sd_remove() running coincidentally.
  **/
 static int sd_probe(struct device *dev)
 {
@@ -2660,7 +2665,7 @@ static int sd_probe(struct device *dev)
                 goto out;
 
         SCSI_LOG_HLQUEUE(3, sdev_printk(KERN_INFO, sdp,
-                                        "sd_attach\n"));
+                                        "sd_probe\n"));
 
         error = -ENOMEM;
         sdkp = kzalloc(sizeof(*sdkp), GFP_KERNEL);