--- /dev/null
+From 0f1cb1bd94a9c967cd4ad3de51cfdabe61eb5dcc Mon Sep 17 00:00:00 2001
+From: Ilija Hadzic <ilijahadzic@gmail.com>
+Date: Mon, 29 Oct 2012 17:35:00 +0000
+Subject: drm: restore open_count if drm_setup fails
+
+From: Ilija Hadzic <ilijahadzic@gmail.com>
+
+commit 0f1cb1bd94a9c967cd4ad3de51cfdabe61eb5dcc upstream.
+
+If drm_setup (called at first open) fails, the whole
+open call has failed, so we should not keep the
+open_count incremented.
+
+Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
+Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
+Signed-off-by: Dave Airlie <airlied@redhat.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/gpu/drm/drm_fops.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/drm_fops.c
++++ b/drivers/gpu/drm/drm_fops.c
+@@ -139,8 +139,11 @@ int drm_open(struct inode *inode, struct
+ retcode = drm_open_helper(inode, filp, dev);
+ if (!retcode) {
+ atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
+- if (!dev->open_count++)
++ if (!dev->open_count++) {
+ retcode = drm_setup(dev);
++ if (retcode)
++ dev->open_count--;
++ }
+ }
+ if (!retcode) {
+ mutex_lock(&dev->struct_mutex);