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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-09-01 03:45:05 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-09-01 03:45:05 +0200
commit498012511a060575a56551d28a10bb392aa361b5 (patch)
treed9dd9060eb6b3037804eca8e22056e7cdb1a26dd /drivers
parentMerge branches 'acpi-pci', 'acpi-soc', 'acpi-ec' and 'acpi-osl' (diff)
parentdevice property: check fwnode type in to_of_node() (diff)
downloadlinux-dev-498012511a060575a56551d28a10bb392aa361b5.tar.xz
linux-dev-498012511a060575a56551d28a10bb392aa361b5.zip
Merge branch 'device-properties'
* device-properties: device property: check fwnode type in to_of_node() device property: attach 'else if' to the proper 'if' device property: fallback to pset when gettng one string device property: fix potential NULL pointer dereference
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/property.c5
-rw-r--r--drivers/base/property.c8
2 files changed, 8 insertions, 5 deletions
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 7836e2e980f4..6d99450549c5 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -528,13 +528,14 @@ int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
if (!val)
return obj->package.count;
- else if (nval <= 0)
- return -EINVAL;
if (nval > obj->package.count)
return -EOVERFLOW;
+ else if (nval <= 0)
+ return -EINVAL;
items = obj->package.elements;
+
switch (proptype) {
case DEV_PROP_U8:
ret = acpi_copy_property_array_u8(items, (u8 *)val, nval);
diff --git a/drivers/base/property.c b/drivers/base/property.c
index f3f6d167f3f1..841b15c5c058 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -27,9 +27,10 @@
*/
void device_add_property_set(struct device *dev, struct property_set *pset)
{
- if (pset)
- pset->fwnode.type = FWNODE_PDATA;
+ if (!pset)
+ return;
+ pset->fwnode.type = FWNODE_PDATA;
set_secondary_fwnode(dev, &pset->fwnode);
}
EXPORT_SYMBOL_GPL(device_add_property_set);
@@ -461,7 +462,8 @@ int fwnode_property_read_string(struct fwnode_handle *fwnode,
return acpi_dev_prop_read(to_acpi_node(fwnode), propname,
DEV_PROP_STRING, val, 1);
- return -ENXIO;
+ return pset_prop_read_array(to_pset(fwnode), propname,
+ DEV_PROP_STRING, val, 1);
}
EXPORT_SYMBOL_GPL(fwnode_property_read_string);