Merge tag 'v3.10.41' into linux-linaro-lsk

[firefly-linux-kernel-4.4.55.git] / include / scsi / scsi_cmnd.h

diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index ac06cc595890ef87a8e01632f5872ab11e4057f2..de5f5d8f1f8a9b84e6b7306b51ac02e75821533f 100644 (file)
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -132,18 +132,10 @@ struct scsi_cmnd {
        unsigned char tag;      /* SCSI-II queued command tag */
 };
 
+/* make sure not to use it with REQ_TYPE_BLOCK_PC commands */
 static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
 {
-       struct scsi_driver **sdp;
-
-       if (!cmd->request->rq_disk)
-               return NULL;
-
-       sdp = (struct scsi_driver **)cmd->request->rq_disk->private_data;
-       if (!sdp)
-               return NULL;
-
-       return *sdp;
+       return *(struct scsi_driver **)cmd->request->rq_disk->private_data;
 }
 
 extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);