[ldv-project] [PATCH] via-ircc: don't return zero if via_ircc_open() failed

[David Miller]

From: Alexey Khoroshilov <khoroshilov at ispras.ru>
Date: Fri, 16 Aug 2013 23:48:14 +0300

> If via_ircc_open() fails, data structures of the driver left uninitialized,
> but probe (via_init_one()) returns zero. That can lead to null pointer dereference
> in via_remove_one(), since it does not check drvdata for NULL.
> 
> The patch implements proper error code propagation.
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov at ispras.ru>

Applied, thanks.