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authorJeff Garzik <jeff@garzik.org>2006-12-06 20:35:33 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 08:39:31 -0800
commitbfc7ee207078e8ca51264355805e6f56b485be4b (patch)
treefe06871e1a6e83ed13b50aa2cef827a6f10b0ade
parent3889b26bebd3e3cf5a3b95da683bab2f6462133d (diff)
downloadop-kernel-dev-bfc7ee207078e8ca51264355805e6f56b485be4b.zip
op-kernel-dev-bfc7ee207078e8ca51264355805e6f56b485be4b.tar.gz
[PATCH] PNP: handle sysfs errors
Signed-off-by: Jeff Garzik <jeff@garzik.org> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/pnp/card.c30
-rw-r--r--drivers/pnp/interface.c17
2 files changed, 35 insertions, 12 deletions
diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c
index 227600c..91c047a 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 9d8b415..ac9fcd4 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;
}
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