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

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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
This commit is contained in:
Linus Torvalds
2019-02-16 17:31:36 -08:00
parent 0b999ae361 69ef9bc547
commit 9a7dcde4a6
1 changed files with 1 additions and 1 deletions
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2
drivers/auxdisplay/ht16k33.c
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@@ -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);