[PATCH] Fix scsi_probe_and_add_lun

This fixes a bug introduced in the recent scsi_scan.c reorganisation.

Without this patch, my Alpha Jensen was crashing just after detecting
its first SCSI disk.  It is now working fine.

drivers/scsi/scsi_scan.c

@@ -1338,7 +1338,7 @@ static int scsi_probe_and_add_lun(struct Scsi_Host *host,
 	scsi_release_request(sreq);
  out_free_sdev:
 	if (res == SCSI_SCAN_LUN_PRESENT) {
-		if (*sdevp)
+		if (sdevp)
 			*sdevp = sdev;
 	} else {
 		if (q) {