of/irq: Allow matching of an interrupt-map local to an interrupt controller

[linux-2.6-microblaze.git] / drivers / of / device.c

diff --git a/drivers/of/device.c b/drivers/of/device.c
index 5b043ee..b0800c2 100644 (file)
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -85,7 +85,11 @@ of_dma_set_restricted_buffer(struct device *dev, struct device_node *np)
                        break;
        }
 
-       if (i != count && of_reserved_mem_device_init_by_idx(dev, of_node, i))
+       /*
+        * Attempt to initialize a restricted-dma-pool region if one was found.
+        * Note that count can hold a negative error code.
+        */
+       if (i < count && of_reserved_mem_device_init_by_idx(dev, of_node, i))
                dev_warn(dev, "failed to initialise \"restricted-dma-pool\" memory node\n");
 }