From 6a716f63ae37863fa5cc12aa2d8bccdb692d70f1 Mon Sep 17 00:00:00 2001
From: Alexander von Gluck IV <kallisti5@unixzen.com>
Date: Sat, 15 Nov 2014 08:56:40 -0600
Subject: [PATCH] radeon_hd: Exit on GPIO pin space exhaustion

* Prevents negative array index read
* CID 1210885
---
 src/add-ons/accelerants/radeon_hd/connector.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/add-ons/accelerants/radeon_hd/connector.cpp b/src/add-ons/accelerants/radeon_hd/connector.cpp
index 2657b82a55..470421ed64 100644
--- a/src/add-ons/accelerants/radeon_hd/connector.cpp
+++ b/src/add-ons/accelerants/radeon_hd/connector.cpp
@@ -309,8 +309,10 @@ gpio_general_populate()
 			break;
 		}
 	}
-	if (gpioIndex < 0)
+	if (gpioIndex < 0) {
 		ERROR("%s: ERROR: Out of space for additional GPIO pins!\n", __func__);
+		return B_ERROR;
+	}
 
 	ATOM_GPIO_PIN_ASSIGNMENT* pin = gpioInfo->asGPIO_Pin;
 	for (int i = 0; i < numIndices; i++) {