1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 5615d3d3ab59..879771766973 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2288,9 +2288,13 @@ static int i915_ppgtt_info(struct seq_file *m, void *data)
 
         list_for_each_entry_reverse(file, &dev->filelist, lhead) {
                 struct drm_i915_file_private *file_priv = file->driver_priv;
+                struct task_struct *task;
 
-                seq_printf(m, "\nproc: %s\n",
-                           get_pid_task(file->pid, PIDTYPE_PID)->comm);
+                task = get_pid_task(file->pid, PIDTYPE_PID);
+                if (!task)
+                        return -ESRCH;
+                seq_printf(m, "\nproc: %s\n", task->comm);
+                put_task_struct(task);
                 idr_for_each(&file_priv->context_idr, per_file_ctx,
                              (void *)(unsigned long)m);
         }