7 files changed, 22 insertions, 5 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index df5e5b7fdcfe..84aa3571be6d 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -3796,6 +3796,7 @@ struct qla_qpair {
 	uint64_t retry_term_jiff;
 	struct qla_tgt_counters tgt_counters;
 	uint16_t cpuid;
+	bool cpu_mapped;
 	struct qla_fw_resources fwres ____cacheline_aligned;
 	struct  qla_buf_pool buf_pool;
 	u32	cmd_cnt;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index ec0423ec6681..1a955c3ff3d6 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -9426,6 +9426,9 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
 		qpair->rsp->req = qpair->req;
 		qpair->rsp->qpair = qpair;
 
+		if (!qpair->cpu_mapped)
+			qla_cpu_update(qpair, raw_smp_processor_id());
+
 		if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
 			if (ha->fw_attributes & BIT_4)
 				qpair->difdix_supported = 1;
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index cce6e425c121..7b42558a8839 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -539,11 +539,14 @@ qla_mapq_init_qp_cpu_map(struct qla_hw_data *ha,
 	if (!ha->qp_cpu_map)
 		return;
 	mask = pci_irq_get_affinity(ha->pdev, msix->vector_base0);
+	if (!mask)
+		return;
 	qpair->cpuid = cpumask_first(mask);
 	for_each_cpu(cpu, mask) {
 		ha->qp_cpu_map[cpu] = qpair;
 	}
 	msix->cpuid = qpair->cpuid;
+	qpair->cpu_mapped = true;
 }
 
 static inline void
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 71feda2cdb63..245e3a5d81fd 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -3770,6 +3770,9 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
 
 	if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) {
 		rsp->qpair->rcv_intr = 1;
+
+		if (!rsp->qpair->cpu_mapped)
+			qla_cpu_update(rsp->qpair, raw_smp_processor_id());
 	}
 
 #define __update_rsp_in(_is_shadow_hba, _rsp, _rsp_in)			\
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index b7c569a42aa4..0226c9279cef 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1463,6 +1463,8 @@ static int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
 	struct Scsi_Host *host = cmd->device->host;
 	int rtn = 0;
 
+	atomic_inc(&cmd->device->iorequest_cnt);
+
 	/* check if the device is still usable */
 	if (unlikely(cmd->device->sdev_state == SDEV_DEL)) {
 		/* in SDEV_DEL we error all commands. DID_NO_CONNECT
@@ -1483,6 +1485,7 @@ static int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
 		 */
 		SCSI_LOG_MLQUEUE(3, scmd_printk(KERN_INFO, cmd,
 			"queuecommand : device blocked\n"));
+		atomic_dec(&cmd->device->iorequest_cnt);
 		return SCSI_MLQUEUE_DEVICE_BUSY;
 	}
 
@@ -1515,6 +1518,7 @@ static int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
 	trace_scsi_dispatch_cmd_start(cmd);
 	rtn = host->hostt->queuecommand(host, cmd);
 	if (rtn) {
+		atomic_dec(&cmd->device->iorequest_cnt);
 		trace_scsi_dispatch_cmd_error(cmd, rtn);
 		if (rtn != SCSI_MLQUEUE_DEVICE_BUSY &&
 		    rtn != SCSI_MLQUEUE_TARGET_BUSY)
@@ -1761,7 +1765,6 @@ static blk_status_t scsi_queue_rq(struct blk_mq_hw_ctx *hctx,
 		goto out_dec_host_busy;
 	}
 
-	atomic_inc(&cmd->device->iorequest_cnt);
 	return BLK_STS_OK;
 
 out_dec_host_busy:
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 5b230e149c3d..8ffb75be99bc 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -109,7 +109,9 @@ enum {
 	TASK_ATTRIBUTE_HEADOFQUEUE		= 0x1,
 	TASK_ATTRIBUTE_ORDERED			= 0x2,
 	TASK_ATTRIBUTE_ACA			= 0x4,
+};
 
+enum {
 	SS_STS_NORMAL				= 0x80000000,
 	SS_STS_DONE				= 0x40000000,
 	SS_STS_HANDSHAKE			= 0x20000000,
@@ -121,7 +123,9 @@ enum {
 	SS_I2H_REQUEST_RESET			= 0x2000,
 
 	SS_MU_OPERATIONAL			= 0x80000000,
+};
 
+enum {
 	STEX_CDB_LENGTH				= 16,
 	STATUS_VAR_LEN				= 128,
 
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index d9ce379c4d2e..e6bc622954cf 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1780,7 +1780,7 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
 
 	length = scsi_bufflen(scmnd);
 	payload = (struct vmbus_packet_mpb_array *)&cmd_request->mpb;
-	payload_sz = sizeof(cmd_request->mpb);
+	payload_sz = 0;
 
 	if (scsi_sg_count(scmnd)) {
 		unsigned long offset_in_hvpg = offset_in_hvpage(sgl->offset);
@@ -1789,10 +1789,10 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
 		unsigned long hvpfn, hvpfns_to_add;
 		int j, i = 0, sg_count;
 
-		if (hvpg_count > MAX_PAGE_BUFFER_COUNT) {
+		payload_sz = (hvpg_count * sizeof(u64) +
+			      sizeof(struct vmbus_packet_mpb_array));
 
-			payload_sz = (hvpg_count * sizeof(u64) +
-				      sizeof(struct vmbus_packet_mpb_array));
+		if (hvpg_count > MAX_PAGE_BUFFER_COUNT) {
 			payload = kzalloc(payload_sz, GFP_ATOMIC);
 			if (!payload)
 				return SCSI_MLQUEUE_DEVICE_BUSY;