From 308e87fc1113b277c4b66cfa79afad15d30a55e4 Mon Sep 17 00:00:00 2001
From: Rene Gollent <anevilyak@gmail.com>
Date: Fri, 3 Jun 2011 22:12:06 +0000
Subject: [PATCH] The ioctl for reading mouse parameters was missing the
 structure size. This would cause it to randomly fail and exit the loop,
 resulting in the mouse going unresponsive.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41894 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp b/src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp
index 34551742f6..1ab78801dd 100644
--- a/src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp
+++ b/src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp
@@ -393,7 +393,8 @@ MouseDevice::_ControlThread()
 		nextTransferTime += kTransferDelay;
 #endif
 
-		if (ioctl(fDevice, MS_READ, &movements) != B_OK) {
+		if (ioctl(fDevice, MS_READ, &movements, sizeof(movements)) != B_OK) {
+			LOG_ERR("Mouse device exiting, %s\n", strerror(errno));
 			_ControlThreadCleanup();
 			// TOAST!
 			return;