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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>
This commit is contained in:
Stefan Richter 2008-10-26 09:50:31 +01:00
parent a55709ba9d
commit 7007a0765e
1 changed files with 14 additions and 9 deletions
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23
drivers/firewire/fw-ohci.c
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@ -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;
}