scsi: message: fusion: Open-code mptfc_block_error_handler() for bus reset

When calling bus_reset we have potentially several ports to be reset, so
this patch open-codes the existing mptfc_block_error_handler() to wait for
all ports attached to this bus.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20231002154328.43718-4-hare@suse.de
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: hreinecke

drivers/message/fusion/mptfc.c

@@ -262,12 +262,23 @@ static int
 mptfc_bus_reset(struct scsi_cmnd *SCpnt)
 {
 	struct Scsi_Host *shost = SCpnt->device->host;
-	struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
 	MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
+	int channel = SCpnt->device->channel;
+	struct mptfc_rport_info *ri;
 	int rtn;
 
-	rtn = mptfc_block_error_handler(rport);
-	if (rtn == SUCCESS) {
+	list_for_each_entry(ri, &hd->ioc->fc_rports, list) {
+		if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
+			VirtTarget *vtarget = ri->starget->hostdata;
+
+			if (!vtarget || vtarget->channel != channel)
+				continue;
+			rtn = fc_block_rport(ri->rport);
+			if (rtn != 0)
+				break;
+		}
+	}
+	if (rtn == 0) {
 		dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
 			"%s.%d: %d:%llu, executing recovery.\n", __func__,
 			hd->ioc->name, shost->host_no,