Rather than accessing priv->filp->f_cred, use priv->pid->task->creds. We want to get rid of "priv->filp", so lets avoid it if possible.
Since we already are in an rcu-read-side, we can use __task_cred() rather than task_cred_xxx().
Signed-off-by: David Herrmann dh.herrmann@gmail.com --- drivers/gpu/drm/drm_info.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c index 247ba2b..1df2d33 100644 --- a/drivers/gpu/drm/drm_info.c +++ b/drivers/gpu/drm/drm_info.c @@ -99,7 +99,7 @@ int drm_clients_info(struct seq_file *m, void *data)
rcu_read_lock(); /* locks pid_task()->comm */ task = pid_task(priv->pid, PIDTYPE_PID); - uid = priv->filp ? priv->filp->f_cred->euid : GLOBAL_ROOT_UID; + uid = task ? __task_cred(task)->euid : GLOBAL_ROOT_UID; seq_printf(m, "%20s %5d %3d %c %c %5d %10u\n", task ? task->comm : "<unknown>", pid_vnr(priv->pid),