5 files changed, 19 insertions, 12 deletions

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index c98f264f1d83..a497b2c0cb79 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -3878,10 +3878,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
          * wake up the thread.
          */
         spin_lock(&lpfc_cmd->buf_lock);
-        if (unlikely(lpfc_cmd->cur_iocbq.iocb_flag & LPFC_DRIVER_ABORTED)) {
-                lpfc_cmd->cur_iocbq.iocb_flag &= ~LPFC_DRIVER_ABORTED;
-                if (lpfc_cmd->waitq)
-                        wake_up(lpfc_cmd->waitq);
+        lpfc_cmd->cur_iocbq.iocb_flag &= ~LPFC_DRIVER_ABORTED;
+        if (lpfc_cmd->waitq) {
+                wake_up(lpfc_cmd->waitq);
                 lpfc_cmd->waitq = NULL;
         }
         spin_unlock(&lpfc_cmd->buf_lock);
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index e74a62448ba4..e5db9a9954dc 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -1392,10 +1392,8 @@ static void qedi_free_nvm_iscsi_cfg(struct qedi_ctx *qedi)
 
 static int qedi_alloc_nvm_iscsi_cfg(struct qedi_ctx *qedi)
 {
-        struct qedi_nvm_iscsi_image nvm_image;
-
         qedi->iscsi_image = dma_alloc_coherent(&qedi->pdev->dev,
-                                               sizeof(nvm_image),
+                                               sizeof(struct qedi_nvm_iscsi_image),
                                                &qedi->nvm_buf_dma, GFP_KERNEL);
         if (!qedi->iscsi_image) {
                 QEDI_ERR(&qedi->dbg_ctx, "Could not allocate NVM BUF.\n");
@@ -2236,14 +2234,13 @@ static void qedi_boot_release(void *data)
 static int qedi_get_boot_info(struct qedi_ctx *qedi)
 {
         int ret = 1;
-        struct qedi_nvm_iscsi_image nvm_image;
 
         QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
                   "Get NVM iSCSI CFG image\n");
         ret = qedi_ops->common->nvm_get_image(qedi->cdev,
                                               QED_NVM_IMAGE_ISCSI_CFG,
                                               (char *)qedi->iscsi_image,
-                                              sizeof(nvm_image));
+                                              sizeof(struct qedi_nvm_iscsi_image));
         if (ret)
                 QEDI_ERR(&qedi->dbg_ctx,
                          "Could not get NVM image. ret = %d\n", ret);
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index c4cbfd07b916..a08ff3bd6310 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -238,6 +238,7 @@ static struct {
         {"NETAPP", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
         {"LSI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
         {"ENGENIO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
+        {"LENOVO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
         {"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36},
         {"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN},
         {"SONY", "TSL", NULL, BLIST_FORCELUN},          /* DDS3 & DDS4 autoloaders */
diff --git a/drivers/scsi/scsi_dh.c b/drivers/scsi/scsi_dh.c
index 5a58cbf3a75d..c14006ac98f9 100644
--- a/drivers/scsi/scsi_dh.c
+++ b/drivers/scsi/scsi_dh.c
@@ -75,6 +75,7 @@ static const struct scsi_dh_blist scsi_dh_blist[] = {
         {"NETAPP", "INF-01-00",         "rdac", },
         {"LSI", "INF-01-00",            "rdac", },
         {"ENGENIO", "INF-01-00",        "rdac", },
+        {"LENOVO", "DE_Series",         "rdac", },
         {NULL, NULL,                    NULL },
 };
 
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 84380bae20f1..8472de1007ff 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -385,7 +385,7 @@ enum storvsc_request_type {
  * This is the end of Protocol specific defines.
  */
 
-static int storvsc_ringbuffer_size = (256 * PAGE_SIZE);
+static int storvsc_ringbuffer_size = (128 * 1024);
 static u32 max_outstanding_req_per_channel;
 
 static int storvsc_vcpus_per_sub_channel = 4;
@@ -668,13 +668,22 @@ static void  handle_multichannel_storage(struct hv_device *device, int max_chns)
 {
         struct device *dev = &device->device;
         struct storvsc_device *stor_device;
-        int num_cpus = num_online_cpus();
         int num_sc;
         struct storvsc_cmd_request *request;
         struct vstor_packet *vstor_packet;
         int ret, t;
 
-        num_sc = ((max_chns > num_cpus) ? num_cpus : max_chns);
+        /*
+         * If the number of CPUs is artificially restricted, such as
+         * with maxcpus=1 on the kernel boot line, Hyper-V could offer
+         * sub-channels >= the number of CPUs. These sub-channels
+         * should not be created. The primary channel is already created
+         * and assigned to one CPU, so check against # CPUs - 1.
+         */
+        num_sc = min((int)(num_online_cpus() - 1), max_chns);
+        if (!num_sc)
+                return;
+
         stor_device = get_out_stor_device(device);
         if (!stor_device)
                 return;