Change the type of the second argument of scsi_host_complete_all_comm…

…ands()

Allow the compiler to verify the type of the second argument passed to
scsi_host_complete_all_commands().

Signed-off-by: Bart Van Assche <bvanassche@acm.org>

drivers/scsi/hosts.c

@@ -657,10 +657,11 @@ EXPORT_SYMBOL_GPL(scsi_flush_work);
 static bool complete_all_cmds_iter(struct request *rq, void *data, bool rsvd)
 {
 	struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq);
-	int status = *(int *)data;
+	enum host_status status = *(enum host_status *)data;
 
 	scsi_dma_unmap(scmd);
-	scmd->result = status << 16;
+	scmd->result = 0;
+	set_host_byte(scmd, status);
 	scmd->scsi_done(scmd);
 	return true;
 }
@@ -675,7 +676,8 @@ static bool complete_all_cmds_iter(struct request *rq, void *data, bool rsvd)
  * caller to ensure that concurrent I/O submission and/or
  * completion is stopped when calling this function.
  */
-void scsi_host_complete_all_commands(struct Scsi_Host *shost, int status)
+void scsi_host_complete_all_commands(struct Scsi_Host *shost,
+				     enum host_status status)
 {
 	blk_mq_tagset_busy_iter(&shost->tag_set, complete_all_cmds_iter,
 				&status);

include/scsi/scsi_host.h

@@ -770,7 +770,7 @@ extern void scsi_host_put(struct Scsi_Host *t);
 extern struct Scsi_Host *scsi_host_lookup(unsigned short);
 extern const char *scsi_host_state_name(enum scsi_host_state);
 extern void scsi_host_complete_all_commands(struct Scsi_Host *shost,
-					    int status);
+					    enum host_status status);
 
 static inline int __must_check scsi_add_host(struct Scsi_Host *host,
 					     struct device *dev)