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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-01-12 23:48:18 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-01-12 23:48:18 +0100
commita759012e5f9717a69c2c2f03d6c7fe435e150824 (patch)
tree4b44266e68b2047fd676201bea70f6de39a647b3
parentMerge branches 'acpi-gpe', 'acpi-video', 'acpi-thermal', 'acpi-processor', 'a... (diff)
parentPNPBIOS: check return value of pnp_add_device() (diff)
downloadlinux-a759012e5f9717a69c2c2f03d6c7fe435e150824.tar.xz
linux-a759012e5f9717a69c2c2f03d6c7fe435e150824.zip
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()
-rw-r--r--drivers/pnp/card.c1
-rw-r--r--drivers/pnp/pnpacpi/core.c11
-rw-r--r--drivers/pnp/pnpbios/core.c12
-rw-r--r--drivers/pnp/resource.c2
4 files changed, 20 insertions, 6 deletions
diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c
index bc00693d0c79..874c236ac1a7 100644
--- a/drivers/pnp/card.c
+++ b/drivers/pnp/card.c
@@ -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;
}
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 156d14e2587e..9f611cbbc294 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -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,
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index 9b86a01af631..074569e77d22 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -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;
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index d95e101ffb43..bacddd102ae9 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -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;