Merge remote branch 'nouveau/for-airlied' of /ssd/git/drm-nouveau-next into drm-fixes

[net-next-2.6.git] / drivers / gpu / drm / drm_fops.c

diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 2ca8df8b6102a0002cda630460333e94bc3c47c0..b744dad5c237f5371d571d13dc35d46a2fc95e2c 100644 (file)
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -41,6 +41,7 @@
 
 /* from BKL pushdown: note that nothing else serializes idr_find() */
 DEFINE_MUTEX(drm_global_mutex);
+EXPORT_SYMBOL(drm_global_mutex);
 
 static int drm_open_helper(struct inode *inode, struct file *filp,
                           struct drm_device * dev);
@@ -135,15 +136,9 @@ int drm_open(struct inode *inode, struct file *filp)
        retcode = drm_open_helper(inode, filp, dev);
        if (!retcode) {
                atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
-               spin_lock(&dev->count_lock);
-               if (!dev->open_count++) {
-                       spin_unlock(&dev->count_lock);
+               if (!dev->open_count++)
                        retcode = drm_setup(dev);
-                       goto out;
-               }
-               spin_unlock(&dev->count_lock);
        }
-out:
        if (!retcode) {
                mutex_lock(&dev->struct_mutex);
                if (minor->type == DRM_MINOR_LEGACY) {
@@ -570,18 +565,14 @@ int drm_release(struct inode *inode, struct file *filp)
         */
 
        atomic_inc(&dev->counts[_DRM_STAT_CLOSES]);
-       spin_lock(&dev->count_lock);
        if (!--dev->open_count) {
                if (atomic_read(&dev->ioctl_count)) {
                        DRM_ERROR("Device busy: %d\n",
                                  atomic_read(&dev->ioctl_count));
                        retcode = -EBUSY;
-                       goto out;
-               }
-               retcode = drm_lastclose(dev);
+               } else
+                       retcode = drm_lastclose(dev);
        }
-out:
-       spin_unlock(&dev->count_lock);
        mutex_unlock(&drm_global_mutex);
 
        return retcode;