Some errors caused a kernel hang Errors now cause probe to return error value and return to kernel
Signed-off-by: Mark Allyn <[email protected]> --- drivers/staging/sep/sep_driver.c | 23 +++++++++++++++-------- 1 files changed, 15 insertions(+), 8 deletions(-) diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c index 32f8c8e..184fa4d 100644 --- a/drivers/staging/sep/sep_driver.c +++ b/drivers/staging/sep/sep_driver.c @@ -3436,7 +3436,8 @@ static int __devinit sep_probe(struct pci_dev *pdev, if (sep_dev == NULL) { dev_warn(&pdev->dev, "can't kmalloc the sep_device structure\n"); - return -ENOMEM; + error = -ENOMEM; + goto end_function_disable_device; } /* @@ -3447,7 +3448,7 @@ static int __devinit sep_probe(struct pci_dev *pdev, */ sep = sep_dev; - sep->pdev = pdev; + sep->pdev = pci_dev_get(pdev); init_waitqueue_head(&sep->event); init_waitqueue_head(&sep->event_request_daemon); @@ -3465,23 +3466,23 @@ static int __devinit sep_probe(struct pci_dev *pdev, sep->reg_physical_addr = pci_resource_start(sep->pdev, 0); if (!sep->reg_physical_addr) { dev_warn(&sep->pdev->dev, "Error getting register start\n"); - pci_dev_put(sep->pdev); - return -ENODEV; + error = -ENODEV; + goto end_function_free_sep_dev; } sep->reg_physical_end = pci_resource_end(sep->pdev, 0); if (!sep->reg_physical_end) { dev_warn(&sep->pdev->dev, "Error getting register end\n"); - pci_dev_put(sep->pdev); - return -ENODEV; + error = -ENODEV; + goto end_function_free_sep_dev; } sep->reg_addr = ioremap_nocache(sep->reg_physical_addr, (size_t)(sep->reg_physical_end - sep->reg_physical_addr + 1)); if (!sep->reg_addr) { dev_warn(&sep->pdev->dev, "Error getting register virtual\n"); - pci_dev_put(sep->pdev); - return -ENODEV; + error = -ENODEV; + goto end_function_free_sep_dev; } dev_dbg(&sep->pdev->dev, @@ -3572,9 +3573,15 @@ end_function_deallocate_sep_shared_area: end_function_error: iounmap(sep->reg_addr); + +end_function_free_sep_dev: + pci_dev_put(sep_dev->pdev); kfree(sep_dev); sep_dev = NULL; +end_function_disable_device: + pci_disable_device(pdev); + end_function: return error; } -- 1.6.3.3 _______________________________________________ MeeGo-kernel mailing list [email protected] http://lists.meego.com/listinfo/meego-kernel
