Commit 9a7dcde4 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

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
parents 0b999ae3 69ef9bc5

drivers/auxdisplay/ht16k33.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

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