[PATCH 5/7] libfc: Do not login if the port is already started
From: Hannes Reinecke <hare@suse.de>
Date: 2016-09-30 07:04:28
Subsystem:
fcoe subsystem (libfc, libfcoe, fcoe), scsi subsystem, the rest · Maintainers:
Hannes Reinecke, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
When the port is already started we don't need to login; that will only confuse the state machine. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> --- drivers/scsi/libfc/fc_rport.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 4e4087a..72a7183 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c@@ -418,6 +418,12 @@ static int fc_rport_login(struct fc_rport_priv *rdata) { mutex_lock(&rdata->rp_mutex); + if (rdata->flags & FC_RP_STARTED) { + FC_RPORT_DBG(rdata, "port already started\n"); + mutex_unlock(&rdata->rp_mutex); + return 0; + } + rdata->flags |= FC_RP_STARTED; switch (rdata->rp_state) { case RPORT_ST_READY:
--
1.8.5.6