Merge tag 'auxdisplay-for-linus-v5.0-rc7' of git://github.com/ojeda/linux

Pull auxdisplay fix from Miguel Ojeda:
 "Fix potential user-after-free on ht16k33 module unload. Reported by
  Sven Van Asbroeck"

* tag 'auxdisplay-for-linus-v5.0-rc7' of git://github.com/ojeda/linux:
  auxdisplay: ht16k33: fix potential user-after-free on module unload

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c
index a43276c76fc6..21393ec3b9a4 100644
--- a/drivers/auxdisplay/ht16k33.c
+++ b/drivers/auxdisplay/ht16k33.c
@@ -509,7 +509,7 @@ static int ht16k33_remove(struct i2c_client *client)
         struct ht16k33_priv *priv = i2c_get_clientdata(client);
         struct ht16k33_fbdev *fbdev = &priv->fbdev;
 
-        cancel_delayed_work(&fbdev->work);
+        cancel_delayed_work_sync(&fbdev->work);
         unregister_framebuffer(fbdev->info);
         framebuffer_release(fbdev->info);
         free_page((unsigned long) fbdev->buffer);