auxdisplay: hd44780: Fix oops on module unloading

Fixes: 718e05e ("auxdisplay: Introduce hd44780_common.[ch]")
Cc: [email protected]
Link: https://lore.kernel.org/lkml/CAHp75VfKyqy+vM0XkP9Yb+znGOTVT4zYCRY3A3nQ7C3WNUVN0g@mail.gmail.com/
Reported-By: Andy Shevchenko <[email protected]>
Signed-off-by: Lars Poeschel <[email protected]>
Tested-by: Andy Shevchenko <[email protected]>
[added Link, Fixes, Cc stable tags, edited message]
Signed-off-by: Miguel Ojeda <[email protected]>

Author: poeschel

drivers/auxdisplay/hd44780.c

@@ -323,8 +323,8 @@ static int hd44780_remove(struct platform_device *pdev)
 {
 	struct charlcd *lcd = platform_get_drvdata(pdev);
 
-	kfree(lcd->drvdata);
 	charlcd_unregister(lcd);
+	kfree(lcd->drvdata);
 
 	kfree(lcd);
 	return 0;