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-rw-r--r--drivers/base/property.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/base/property.c b/drivers/base/property.c
index f6117ec9805c..8c40abed7852 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -987,12 +987,18 @@ EXPORT_SYMBOL(fwnode_iomap);
* @fwnode: Pointer to the firmware node
* @index: Zero-based index of the IRQ
*
- * Return: Linux IRQ number on success. Other values are determined
- * according to acpi_irq_get() or of_irq_get() operation.
+ * Return: Linux IRQ number on success. Negative errno on failure.
*/
int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index)
{
- return fwnode_call_int_op(fwnode, irq_get, index);
+ int ret;
+
+ ret = fwnode_call_int_op(fwnode, irq_get, index);
+ /* We treat mapping errors as invalid case */
+ if (ret == 0)
+ return -EINVAL;
+
+ return ret;
}
EXPORT_SYMBOL(fwnode_irq_get);