From: Quinn Tran qutran@marvell.com
[ Upstream commit 0dbfce5255fe8d069a1a3b712a25b263264cfa58 ]
Multiple app start can trigger a session bounce. Make driver skip over session teardown if app start is seen more than once.
Link: https://lore.kernel.org/r/20220608115849.16693-4-njavali@marvell.com Fixes: 7ebb336e45ef ("scsi: qla2xxx: edif: Add start + stop bsgs") Reviewed-by: Himanshu Madhani himanshu.madhani@oracle.com Signed-off-by: Quinn Tran qutran@marvell.com Signed-off-by: Nilesh Javali njavali@marvell.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/qla2xxx/qla_edif.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index 0ead3d95f594..208a16cb54f0 100644 --- a/drivers/scsi/qla2xxx/qla_edif.c +++ b/drivers/scsi/qla2xxx/qla_edif.c @@ -510,8 +510,7 @@ qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job) /* mark doorbell as active since an app is now present */ vha->e_dbell.db_flags |= EDB_ACTIVE; } else { - ql_dbg(ql_dbg_edif, vha, 0x911e, "%s doorbell already active\n", - __func__); + goto out; }
if (N2N_TOPO(vha->hw)) { @@ -578,6 +577,7 @@ qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job) __func__); }
+out: appreply.host_support_edif = vha->hw->flags.edif_enabled; appreply.edif_enode_active = vha->pur_cinfo.enode_flags; appreply.edif_edb_active = vha->e_dbell.db_flags;