diff options
| -rw-r--r-- | drivers/dma/fsldma.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 054eabffc18..724f6fdd0af 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -809,8 +809,7 @@ static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan) if (!src) { dev_err(fsl_chan->dev, "selftest: Cannot alloc memory for test!\n"); - err = -ENOMEM; - goto out; + return -ENOMEM; } dest = src + test_size; @@ -842,7 +841,7 @@ static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan) if (fsl_dma_is_complete(chan, cookie, NULL, NULL) != DMA_SUCCESS) { dev_err(fsl_chan->dev, "selftest: Time out!\n"); err = -ENODEV; - goto out; + goto free_resources; } /* Test free and re-alloc channel resources */ @@ -927,8 +926,7 @@ static int __devinit of_fsl_dma_chan_probe(struct of_device *dev, if (!new_fsl_chan) { dev_err(&dev->dev, "No free memory for allocating " "dma channels!\n"); - err = -ENOMEM; - goto err; + return -ENOMEM; } /* get dma channel register base */ @@ -936,7 +934,7 @@ static int __devinit of_fsl_dma_chan_probe(struct of_device *dev, if (err) { dev_err(&dev->dev, "Can't get %s property 'reg'\n", dev->node->full_name); - goto err; + goto err_no_reg; } new_fsl_chan->feature = *(u32 *)match->data; @@ -958,7 +956,7 @@ static int __devinit of_fsl_dma_chan_probe(struct of_device *dev, dev_err(&dev->dev, "There is no %d channel!\n", new_fsl_chan->id); err = -EINVAL; - goto err; + goto err_no_chan; } fdev->chan[new_fsl_chan->id] = new_fsl_chan; tasklet_init(&new_fsl_chan->tasklet, dma_do_tasklet, @@ -997,23 +995,26 @@ static int __devinit of_fsl_dma_chan_probe(struct of_device *dev, if (err) { dev_err(&dev->dev, "DMA channel %s request_irq error " "with return %d\n", dev->node->full_name, err); - goto err; + goto err_no_irq; } } err = fsl_dma_self_test(new_fsl_chan); if (err) - goto err; + goto err_self_test; dev_info(&dev->dev, "#%d (%s), irq %d\n", new_fsl_chan->id, match->compatible, new_fsl_chan->irq); return 0; -err: - dma_halt(new_fsl_chan); - iounmap(new_fsl_chan->reg_base); + +err_self_test: free_irq(new_fsl_chan->irq, new_fsl_chan); +err_no_irq: list_del(&new_fsl_chan->common.device_node); +err_no_chan: + iounmap(new_fsl_chan->reg_base); +err_no_reg: kfree(new_fsl_chan); return err; } @@ -1054,8 +1055,7 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev, fdev = kzalloc(sizeof(struct fsl_dma_device), GFP_KERNEL); if (!fdev) { dev_err(&dev->dev, "No enough memory for 'priv'\n"); - err = -ENOMEM; - goto err; + return -ENOMEM; } fdev->dev = &dev->dev; INIT_LIST_HEAD(&fdev->common.channels); @@ -1065,7 +1065,7 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev, if (err) { dev_err(&dev->dev, "Can't get %s property 'reg'\n", dev->node->full_name); - goto err; + goto err_no_reg; } dev_info(&dev->dev, "Probe the Freescale DMA driver for %s " @@ -1103,6 +1103,7 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev, err: iounmap(fdev->reg_base); +err_no_reg: kfree(fdev); return err; } |