From: Pierre Willenbrock <pierre@pirsoft.de>
Date: Mon, 23 Feb 2009 00:12:15 +0000 (+1000)
Subject: drm/i915: Add missing mutex_lock(&dev->struct_mutex)
X-Git-Tag: v2.6.29-rc6~2^2
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=5004417d840e6dcb0052061fd04569b9c9f037a8;p=linux-2.6-block.git

drm/i915: Add missing mutex_lock(&dev->struct_mutex)

there might be a nicer way to fix this but this is the simplest for now.

Signed-off-by: Pierre Willenbrock <pierre@pirsoft.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 4d2baf7b00be..65b635ce28c8 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1008,6 +1008,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
 		temp = CURSOR_MODE_DISABLE;
 		addr = 0;
 		bo = NULL;
+		mutex_lock(&dev->struct_mutex);
 		goto finish;
 	}