From: Swen Schillig Date: Tue, 5 Oct 2010 15:12:53 +0000 (+0200) Subject: [SCSI] zfcp: Fix adapter activation on link down X-Git-Tag: firefly_0821_release~7613^2~3529^2~69 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0df138476c8306478d6e726f044868b4bccf411c;p=firefly-linux-kernel-4.4.55.git [SCSI] zfcp: Fix adapter activation on link down If an exchange config is executed while the local link is down, the request succeeds but the returned data is incomplete. Proceeding with the adapter activation is leading to an unpredictable behaviour (e.g. kernel panic) caused by invalid values. In such a scenario the recommended ERP is to retry the action and wait for a link up event. If the issue persists the activation has to fail. Signed-off-by: Swen Schillig Sigend-off-by: Christof Schmitt Signed-off-by: James Bottomley --- diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index beaf0916ceab..be0317457147 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -532,9 +532,6 @@ static void zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *req) fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; adapter->hydra_version = 0; - atomic_set_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK, - &adapter->status); - zfcp_fsf_link_down_info_eval(req, &qtcb->header.fsf_status_qual.link_down_info); break;