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OpenCloudOS-Kernel
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Merge branch 'pnp' 

* pnp:
  PNPBIOS: check return value of pnp_add_device()
  PNP: Mark the function pnp_build_option() as static in resource.c
  PNP / card: add missing put_device() call
  PNPACPI: check return value of pnp_add_device()
This commit is contained in:
Rafael J. Wysocki 2014-01-12 23:48:18 +01:00
parent bcc7201a91 d8254e0e72
commit a759012e5f
4 changed files with 20 additions and 6 deletions
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1
drivers/pnp/card.c
View File

@ -239,6 +239,7 @@ int pnp_add_card(struct pnp_card *card)
error = device_register(&card->dev);
if (error) {
dev_err(&card->dev, "could not register (err=%d)\n", error);
put_device(&card->dev);
return error;
}

11
drivers/pnp/pnpacpi/core.c
View File

@ -241,6 +241,7 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
struct pnp_dev *dev;
char *pnpid;
struct acpi_hardware_id *id;
int error;
/* Skip devices that are already bound */
if (device->physical_node_count)
@ -299,10 +300,16 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
/* clear out the damaged flags */
if (!dev->active)
pnp_init_resources(dev);
pnp_add_device(dev);
error = pnp_add_device(dev);
if (error) {
put_device(&dev->dev);
return error;
}
num++;
return AE_OK;
return 0;
}
static acpi_status __init pnpacpi_add_device_handler(acpi_handle handle,

12
drivers/pnp/pnpbios/core.c
View File

@ -312,18 +312,19 @@ static int __init insert_device(struct pnp_bios_node *node)
struct list_head *pos;
struct pnp_dev *dev;
char id[8];
int error;
/* check if the device is already added */
list_for_each(pos, &pnpbios_protocol.devices) {
dev = list_entry(pos, struct pnp_dev, protocol_list);
if (dev->number == node->handle)
return -1;
return -EEXIST;
}
pnp_eisa_id_to_string(node->eisa_id & PNP_EISA_ID_MASK, id);
dev = pnp_alloc_dev(&pnpbios_protocol, node->handle, id);
if (!dev)
return -1;
return -ENOMEM;
pnpbios_parse_data_stream(dev, node);
dev->active = pnp_is_active(dev);
@ -342,7 +343,12 @@ static int __init insert_device(struct pnp_bios_node *node)
if (!dev->active)
pnp_init_resources(dev);
pnp_add_device(dev);
error = pnp_add_device(dev);
if (error) {
put_device(&dev->dev);
return error;
}
pnpbios_interface_attach_device(node);
return 0;

2
drivers/pnp/resource.c
View File

@ -31,7 +31,7 @@ static int pnp_reserve_mem[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some
* option registration
*/
struct pnp_option *pnp_build_option(struct pnp_dev *dev, unsigned long type,
static struct pnp_option *pnp_build_option(struct pnp_dev *dev, unsigned long type,
unsigned int option_flags)
{
struct pnp_option *option;