diff options
| -rw-r--r-- | drivers/pci/hotplug/shpchp_hpc.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c index bbe450f098e6..83a5226ba9ed 100644 --- a/drivers/pci/hotplug/shpchp_hpc.c +++ b/drivers/pci/hotplug/shpchp_hpc.c @@ -1118,7 +1118,7 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev) { struct php_ctlr_state_s *php_ctlr, *p; void *instance_id = ctrl; - int rc, num_slots = 0; + int rc = -1, num_slots = 0; u8 hp_slot; u32 shpc_base_offset; u32 tempdword, slot_reg, slot_config; @@ -1184,11 +1184,15 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev) info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device, pdev->subsystem_vendor, pdev->subsystem_device); - if (pci_enable_device(pdev)) + rc = pci_enable_device(pdev); + if (rc) { + err("%s: pci_enable_device failed\n", __FUNCTION__); goto abort_free_ctlr; + } if (!request_mem_region(ctrl->mmio_base, ctrl->mmio_size, MY_NAME)) { err("%s: cannot reserve MMIO region\n", __FUNCTION__); + rc = -1; goto abort_free_ctlr; } @@ -1197,6 +1201,7 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev) err("%s: cannot remap MMIO region %lx @ %lx\n", __FUNCTION__, ctrl->mmio_size, ctrl->mmio_base); release_mem_region(ctrl->mmio_base, ctrl->mmio_size); + rc = -1; goto abort_free_ctlr; } dbg("%s: php_ctlr->creg %p\n", __FUNCTION__, php_ctlr->creg); @@ -1299,8 +1304,10 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev) */ if (atomic_add_return(1, &shpchp_num_controllers) == 1) { shpchp_wq = create_singlethread_workqueue("shpchpd"); - if (!shpchp_wq) - return -ENOMEM; + if (!shpchp_wq) { + rc = -ENOMEM; + goto abort_free_ctlr; + } } /* @@ -1330,8 +1337,10 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev) /* We end up here for the many possible ways to fail this API. */ abort_free_ctlr: + if (php_ctlr->creg) + iounmap(php_ctlr->creg); kfree(php_ctlr); abort: DBG_LEAVE_ROUTINE - return -1; + return rc; } |