From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Warn when there are events on the file_priv->event_list just before
file_priv gets freed. This can occur if the driver doesn't clean up
pending page flip events in ->preclose().
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/drm_fops.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 8f91062..0fa4dad 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -529,6 +529,8 @@ int drm_release(struct inode *inode, struct file *filp)
if (drm_core_check_feature(dev, DRIVER_PRIME))
drm_prime_destroy_file_private(&file_priv->prime);
+ WARN_ON(!list_empty(&file_priv->event_list));
+
put_pid(file_priv->pid);
kfree(file_priv);
--
1.8.5.5
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