firewire: fw-ohci: initialization failure path fixes

Fix leaks when pci_probe fails.  Simplify error log strings.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 5a5685f8f5f78831d99b361470ea1d64e045fd40..8e16bfbdcb3db8c92553a9535c4f0adfa28dada8 100644 (file)
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -2365,8 +2365,8 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
 
        ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
        if (ohci == NULL) {
-               fw_error("Could not malloc fw_ohci data.\n");
-               return -ENOMEM;
+               err = -ENOMEM;
+               goto fail;
        }
 
        fw_card_initialize(&ohci->card, &ohci_driver, &dev->dev);
@@ -2375,7 +2375,7 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
 
        err = pci_enable_device(dev);
        if (err) {
-               fw_error("Failed to enable OHCI hardware.\n");
+               fw_error("Failed to enable OHCI hardware\n");
                goto fail_free;
        }
 
@@ -2443,9 +2443,8 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
        ohci->ir_context_list = kzalloc(size, GFP_KERNEL);
 
        if (ohci->it_context_list == NULL || ohci->ir_context_list == NULL) {
-               fw_error("Out of memory for it/ir contexts.\n");
                err = -ENOMEM;
-               goto fail_registers;
+               goto fail_contexts;
        }
 
        /* self-id dma buffer allocation */
@@ -2454,9 +2453,8 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
                                               &ohci->self_id_bus,
                                               GFP_KERNEL);
        if (ohci->self_id_cpu == NULL) {
-               fw_error("Out of memory for self ID buffer.\n");
                err = -ENOMEM;
-               goto fail_registers;
+               goto fail_contexts;
        }
 
        bus_options = reg_read(ohci, OHCI1394_BusOptions);
@@ -2476,9 +2474,13 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
  fail_self_id:
        dma_free_coherent(ohci->card.device, SELF_ID_BUF_SIZE,
                          ohci->self_id_cpu, ohci->self_id_bus);
- fail_registers:
-       kfree(ohci->it_context_list);
+ fail_contexts:
        kfree(ohci->ir_context_list);
+       kfree(ohci->it_context_list);
+       context_release(&ohci->at_response_ctx);
+       context_release(&ohci->at_request_ctx);
+       ar_context_release(&ohci->ar_response_ctx);
+       ar_context_release(&ohci->ar_request_ctx);
        pci_iounmap(dev, ohci->registers);
  fail_iomem:
        pci_release_region(dev, 0);
@@ -2487,6 +2489,9 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
  fail_free:
        kfree(&ohci->card);
        ohci_pmac_off(dev);
+ fail:
+       if (err == -ENOMEM)
+               fw_error("Out of memory\n");
 
        return err;
 }