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ACPI: Use IS_ERR_OR_NULL() instead of non-NULL check in is_acpi_data_node()

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The is_acpi_data_node() function takes a struct fwnode_handle pointer as
its argument. The validity of the pointer is first checked. Extend the
check to cover error values as is done by similar is_acpi_node() and
is_acpi_device_node() functions.

Signed-off-by: Sakari Ailus <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Sakari Ailus 2017-07-21 14:39:30 +03:00 • committed by Rafael J. Wysocki
commit b81b729164
1 changed files with 1 additions and 1 deletions
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include/acpi/acpi_bus.h
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@ -414,7 +414,7 @@ static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwno
static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
{
return fwnode && fwnode->type == FWNODE_ACPI_DATA;
return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_ACPI_DATA;
}
static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)