From: Jeff Garzik Date: Thu, 7 Dec 2006 04:35:33 +0000 (-0800) Subject: [PATCH] PNP: handle sysfs errors X-Git-Tag: v2.6.20-rc1~145^2^2~232 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bfc7ee207078e8ca51264355805e6f56b485be4b;p=linux-2.6 [PATCH] PNP: handle sysfs errors Signed-off-by: Jeff Garzik Cc: Adam Belay Cc: Bjorn Helgaas Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c index 227600cd63..91c047a7e6 100644 --- a/drivers/pnp/card.c +++ b/drivers/pnp/card.c @@ -164,9 +164,17 @@ static DEVICE_ATTR(card_id,S_IRUGO,pnp_show_card_ids,NULL); static int pnp_interface_attach_card(struct pnp_card *card) { - device_create_file(&card->dev,&dev_attr_name); - device_create_file(&card->dev,&dev_attr_card_id); + int rc = device_create_file(&card->dev,&dev_attr_name); + if (rc) return rc; + + rc = device_create_file(&card->dev,&dev_attr_card_id); + if (rc) goto err_name; + return 0; + +err_name: + device_remove_file(&card->dev,&dev_attr_name); + return rc; } /** @@ -306,16 +314,20 @@ found: down_write(&dev->dev.bus->subsys.rwsem); dev->card_link = clink; dev->dev.driver = &drv->link.driver; - if (pnp_bus_type.probe(&dev->dev)) { - dev->dev.driver = NULL; - dev->card_link = NULL; - up_write(&dev->dev.bus->subsys.rwsem); - return NULL; - } - device_bind_driver(&dev->dev); + if (pnp_bus_type.probe(&dev->dev)) + goto err_out; + if (device_bind_driver(&dev->dev)) + goto err_out; + up_write(&dev->dev.bus->subsys.rwsem); return dev; + +err_out: + dev->dev.driver = NULL; + dev->card_link = NULL; + up_write(&dev->dev.bus->subsys.rwsem); + return NULL; } /** diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c index 9d8b415eca..ac9fcd499f 100644 --- a/drivers/pnp/interface.c +++ b/drivers/pnp/interface.c @@ -461,8 +461,19 @@ static DEVICE_ATTR(id,S_IRUGO,pnp_show_current_ids,NULL); int pnp_interface_attach_device(struct pnp_dev *dev) { - device_create_file(&dev->dev,&dev_attr_options); - device_create_file(&dev->dev,&dev_attr_resources); - device_create_file(&dev->dev,&dev_attr_id); + int rc = device_create_file(&dev->dev,&dev_attr_options); + if (rc) goto err; + rc = device_create_file(&dev->dev,&dev_attr_resources); + if (rc) goto err_opt; + rc = device_create_file(&dev->dev,&dev_attr_id); + if (rc) goto err_res; + return 0; + +err_res: + device_remove_file(&dev->dev,&dev_attr_resources); +err_opt: + device_remove_file(&dev->dev,&dev_attr_options); +err: + return rc; }