From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 30 Mar 2016 09:40:49 +0000 (+0200)
Subject: drm/vgem: Simplify dumb_map
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=e34274fd2aa84fb4b609e26af18507449e8feaca;p=openwrt%2Fstaging%2Fblogic.git

drm/vgem: Simplify dumb_map

The offset manager already checks for existing offsets internally,
while holding suitable locks. We can drop this check.

v2: Fix title (Emil).

Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459330852-27668-11-git-send-email-daniel.vetter@ffwll.ch
---

diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index c503a840fd88..f3ee1c41da1e 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -208,11 +208,9 @@ int vgem_gem_dumb_map(struct drm_file *file, struct drm_device *dev,
 		goto unlock;
 	}
 
-	if (!drm_vma_node_has_offset(&obj->vma_node)) {
-		ret = drm_gem_create_mmap_offset(obj);
-		if (ret)
-			goto unref;
-	}
+	ret = drm_gem_create_mmap_offset(obj);
+	if (ret)
+		goto unref;
 
 	BUG_ON(!obj->filp);