[PATCH 30/64] libfc: rearrange code in fc_rport_work

Robert Love
2009-08-25T21:01:07Z

This is a cleanup without semantic changes to use a switch
statement instead of a series of if-statements in fc_rport_work(),
and to move some declarations up to the top.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
---

drivers/scsi/libfc/fc_rport.c | 24 +++++++++++++++---------
1 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 69f6e58..d0a4542 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -233,6 +233,9 @@ static void fc_rport_work(struct work_struct *work)
enum fc_rport_trans_state trans_state;
struct fc_lport *lport = rdata->local_port;
struct fc_rport_operations *rport_ops;
+ struct fc_rport *new_rport;
+ struct fc_rport_priv *new_rdata;
+ struct fc_rport_identifiers ids;
struct fc_rport *rport;

mutex_lock(&rdata->rp_mutex);
@@ -240,11 +243,8 @@ static void fc_rport_work(struct work_struct *work)
rport_ops = rdata->ops;
rport = rdata->rport;

- if (event == RPORT_EV_CREATED) {
- struct fc_rport *new_rport;
- struct fc_rport_priv *new_rdata;
- struct fc_rport_identifiers ids;
-
+ switch (event) {
+ case RPORT_EV_CREATED:
ids = rdata->ids;
rdata->event = RPORT_EV_NONE;
mutex_unlock(&rdata->rp_mutex);
@@ -289,9 +289,11 @@ static void fc_rport_work(struct work_struct *work)
rdata = new_rport->dd_data;
if (rport_ops->event_callback)
rport_ops->event_callback(lport, rdata, event);
- } else if ((event == RPORT_EV_FAILED) ||
- (event == RPORT_EV_LOGO) ||
- (event == RPORT_EV_STOP)) {
+ break;
+
+ case RPORT_EV_FAILED:
+ case RPORT_EV_LOGO:
+ case RPORT_EV_STOP:
trans_state = rdata->trans_state;
mutex_unlock(&rdata->rp_mutex);
if (rport_ops->event_callback)
@@ -305,8 +307,12 @@ static void fc_rport_work(struct work_struct *work)
lport->tt.exch_mgr_reset(lport, 0, port_id);
lport->tt.exch_mgr_reset(lport, port_id, 0);
}
- } else
+ break;
+
+ default:
mutex_unlock(&rdata->rp_mutex);
+ break;
+ }
}

/**