Merge branch 'pnp'
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>
Sun, 12 Jan 2014 22:48:18 +0000 (23:48 +0100)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Sun, 12 Jan 2014 22:48:18 +0000 (23:48 +0100)
* 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()

drivers/pnp/card.c
drivers/pnp/pnpacpi/core.c
drivers/pnp/pnpbios/core.c
drivers/pnp/resource.c

index bc00693..874c236 100644 (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;
        }
 
index 156d14e..9f611cb 100644 (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,
index 9b86a01..074569e 100644 (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;
index d95e101..bacddd1 100644 (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;