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 5a5685f..8e16bfb 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -2365,8 +2365,8 @@
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 @@
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 @@
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 @@
&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 @@
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 @@
fail_free:
kfree(&ohci->card);
ohci_pmac_off(dev);
+ fail:
+ if (err == -ENOMEM)
+ fw_error("Out of memory\n");
return err;
}