diff options
Diffstat (limited to 'drivers/gpu/drm/drm_file.c')
| -rw-r--r-- | drivers/gpu/drm/drm_file.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index 638ffa4444..714e42b051 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -469,14 +469,12 @@ void drm_file_update_pid(struct drm_file *filp) dev = filp->minor->dev; mutex_lock(&dev->filelist_mutex); + get_pid(pid); old = rcu_replace_pointer(filp->pid, pid, 1); mutex_unlock(&dev->filelist_mutex); - if (pid != old) { - get_pid(pid); - synchronize_rcu(); - put_pid(old); - } + synchronize_rcu(); + put_pid(old); } /** |