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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2008-10-26 09:50:31 +0100 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2008-10-26 10:27:00 +0100 |
| commit | 7007a0765e33bf89182e069e35ec6009fa54f610 (patch) | |
| tree | fd3117ac84b5b951ae459a692e7f14c4af15dd2a /drivers/firewire/fw-ohci.c | |
| parent | firewire: fw-ohci: don't leak dma memory on module removal (diff) | |
| download | linux-7007a0765e33bf89182e069e35ec6009fa54f610.tar.xz linux-7007a0765e33bf89182e069e35ec6009fa54f610.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/firewire/fw-ohci.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index 5a5685f8f5f7..8e16bfbdcb3d 100644 --- 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; } |