[PATCH 003/117] Change the type of the second argument of scsi_host_complete_all_commands()

Bart Van Assche
2021-04-20T00:09:01Z

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

Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
drivers/scsi/hosts.c | 8 +++++---
include/scsi/scsi_host.h | 2 +-
2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 2f162603876f..b551e0ee2271 100644
--- a/drivers/scsi/hosts.c
+++ b/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);
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 3f3ebfdedeb2..8f1941dace24 100644
--- a/include/scsi/scsi_host.h
+++ b/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)