From: Rob Clark <robdclark@gmail.com>
Date: Wed, 4 Dec 2013 13:45:43 +0000 (-0500)
Subject: udl: fix issue with imported prime buffers
X-Git-Tag: v3.13-rc4~39^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1d507b3af40a60e03a3bbc4c897fc2709c075d24;p=platform%2Fkernel%2Flinux-exynos.git

udl: fix issue with imported prime buffers

5dc9e1e8 was a bit over-ambitious, and accidentially removed handling
for imported prime buffers.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c
index 24ffbe9..8d67b94 100644
--- a/drivers/gpu/drm/udl/udl_gem.c
+++ b/drivers/gpu/drm/udl/udl_gem.c
@@ -125,6 +125,12 @@ static int udl_gem_get_pages(struct udl_gem_object *obj, gfp_t gfpmask)
 
 static void udl_gem_put_pages(struct udl_gem_object *obj)
 {
+	if (obj->base.import_attach) {
+		drm_free_large(obj->pages);
+		obj->pages = NULL;
+		return;
+	}
+
 	drm_gem_put_pages(&obj->base, obj->pages, false, false);
 	obj->pages = NULL;
 }