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path: root/drivers/usb/cdns3
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Diffstat (limited to 'drivers/usb/cdns3')
-rw-r--r--drivers/usb/cdns3/cdnsp-mem.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/drivers/usb/cdns3/cdnsp-mem.c b/drivers/usb/cdns3/cdnsp-mem.c
index 980047b7e416..4c7d77fb097e 100644
--- a/drivers/usb/cdns3/cdnsp-mem.c
+++ b/drivers/usb/cdns3/cdnsp-mem.c
@@ -1228,7 +1228,7 @@ int cdnsp_mem_init(struct cdnsp_device *pdev)
pdev->dcbaa = dma_alloc_coherent(dev, sizeof(*pdev->dcbaa),
&dma, GFP_KERNEL);
if (!pdev->dcbaa)
- goto mem_init_fail;
+ return -ENOMEM;
memset(pdev->dcbaa, 0, sizeof(*pdev->dcbaa));
pdev->dcbaa->dma = dma;
@@ -1246,17 +1246,19 @@ int cdnsp_mem_init(struct cdnsp_device *pdev)
pdev->segment_pool = dma_pool_create("CDNSP ring segments", dev,
TRB_SEGMENT_SIZE, TRB_SEGMENT_SIZE,
page_size);
+ if (!pdev->segment_pool)
+ goto release_dcbaa;
pdev->device_pool = dma_pool_create("CDNSP input/output contexts", dev,
CDNSP_CTX_SIZE, 64, page_size);
+ if (!pdev->device_pool)
+ goto destroy_segment_pool;
- if (!pdev->segment_pool || !pdev->device_pool)
- goto mem_init_fail;
/* Set up the command ring to have one segments for now. */
pdev->cmd_ring = cdnsp_ring_alloc(pdev, 1, TYPE_COMMAND, 0, GFP_KERNEL);
if (!pdev->cmd_ring)
- goto mem_init_fail;
+ goto destroy_device_pool;
/* Set the address in the Command Ring Control register */
val_64 = cdnsp_read_64(&pdev->op_regs->cmd_ring);
@@ -1279,11 +1281,11 @@ int cdnsp_mem_init(struct cdnsp_device *pdev)
pdev->event_ring = cdnsp_ring_alloc(pdev, ERST_NUM_SEGS, TYPE_EVENT,
0, GFP_KERNEL);
if (!pdev->event_ring)
- goto mem_init_fail;
+ goto free_cmd_ring;
ret = cdnsp_alloc_erst(pdev, pdev->event_ring, &pdev->erst);
if (ret)
- goto mem_init_fail;
+ goto free_event_ring;
/* Set ERST count with the number of entries in the segment table. */
val = readl(&pdev->ir_set->erst_size);
@@ -1302,22 +1304,32 @@ int cdnsp_mem_init(struct cdnsp_device *pdev)
ret = cdnsp_setup_port_arrays(pdev);
if (ret)
- goto mem_init_fail;
+ goto free_erst;
ret = cdnsp_alloc_priv_device(pdev);
if (ret) {
dev_err(pdev->dev,
"Could not allocate cdnsp_device data structures\n");
- goto mem_init_fail;
+ goto free_erst;
}
return 0;
-mem_init_fail:
- dev_err(pdev->dev, "Couldn't initialize memory\n");
- cdnsp_halt(pdev);
+free_erst:
+ cdnsp_free_erst(pdev, &pdev->erst);
+free_event_ring:
+ cdnsp_ring_free(pdev, pdev->event_ring);
+free_cmd_ring:
+ cdnsp_ring_free(pdev, pdev->cmd_ring);
+destroy_device_pool:
+ dma_pool_destroy(pdev->device_pool);
+destroy_segment_pool:
+ dma_pool_destroy(pdev->segment_pool);
+release_dcbaa:
+ dma_free_coherent(dev, sizeof(*pdev->dcbaa), pdev->dcbaa,
+ pdev->dcbaa->dma);
+
cdnsp_reset(pdev);
- cdnsp_mem_cleanup(pdev);
return ret;
}