From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon, 2 Apr 2012 21:33:03 +0000 (+0200)
Subject: drm/i915: don't leak struct_mutex lock on ppgtt init failures
X-Git-Tag: v3.4-rc2~32^2^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e02f14cd48a5da0ebaecf88c93dbd54a81e0dead;p=profile%2Fivi%2Fkernel-x86-ivi.git

drm/i915: don't leak struct_mutex lock on ppgtt init failures

Reported-by: Konstantin Belousov <kostikbel@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 8a62285ddbd..785f67f963e 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1222,8 +1222,10 @@ static int i915_load_gem_init(struct drm_device *dev)
 		i915_gem_do_init(dev, 0, mappable_size, gtt_size);
 
 		ret = i915_gem_init_aliasing_ppgtt(dev);
-		if (ret)
+		if (ret) {
+			mutex_unlock(&dev->struct_mutex);
 			return ret;
+		}
 	} else {
 		/* Let GEM Manage all of the aperture.
 		 *