From: Quinn Tran Date: Wed, 8 Jun 2022 11:58:42 +0000 (-0700) Subject: scsi: qla2xxx: edif: Reduce disruption due to multiple app start X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0dbfce5255fe8d069a1a3b712a25b263264cfa58;p=linux.git scsi: qla2xxx: edif: Reduce disruption due to multiple app start 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 Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index bd71b0ef3ed19..df04f6ecbe54a 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;