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>

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;
 }