Staging: ti-st: remove st_get_plat_device

[firefly-linux-kernel-4.4.55.git] / drivers / block / cciss.c

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 31064df1370a96320f548d1ce5f191eaf2e97051..5e4fadcdece979b76571462210f60195a6531f27 100644 (file)
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -297,6 +297,8 @@ static void enqueue_cmd_and_start_io(ctlr_info_t *h,
        spin_lock_irqsave(&h->lock, flags);
        addQ(&h->reqQ, c);
        h->Qdepth++;
+       if (h->Qdepth > h->maxQsinceinit)
+               h->maxQsinceinit = h->Qdepth;
        start_io(h);
        spin_unlock_irqrestore(&h->lock, flags);
 }
@@ -4519,6 +4521,12 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
        misc_fw_support = readl(&cfgtable->misc_fw_support);
        use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET;
 
+       /* The doorbell reset seems to cause lockups on some Smart
+        * Arrays (e.g. P410, P410i, maybe others).  Until this is
+        * fixed or at least isolated, avoid the doorbell reset.
+        */
+       use_doorbell = 0;
+
        rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell);
        if (rc)
                goto unmap_cfgtable;
@@ -4712,6 +4720,9 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
        h->scatter_list = kmalloc(h->max_commands *
                                                sizeof(struct scatterlist *),
                                                GFP_KERNEL);
+       if (!h->scatter_list)
+               goto clean4;
+
        for (k = 0; k < h->nr_cmds; k++) {
                h->scatter_list[k] = kmalloc(sizeof(struct scatterlist) *
                                                        h->maxsgentries,
@@ -4781,7 +4792,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
 clean4:
        kfree(h->cmd_pool_bits);
        /* Free up sg elements */
-       for (k = 0; k < h->nr_cmds; k++)
+       for (k-- ; k >= 0; k--)
                kfree(h->scatter_list[k]);
        kfree(h->scatter_list);
        cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds);