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path: root/drivers/gpu/drm/drm_file.c
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Diffstat (limited to 'drivers/gpu/drm/drm_file.c')
-rw-r--r--drivers/gpu/drm/drm_file.c8
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);
}
/**