Re: [PATCH] ALSA: mts64: fix NULL pointer dereference

From: Sudip Mukherjee
Date: Mon Feb 29 2016 - 11:22:44 EST


On Mon, Feb 29, 2016 at 01:24:24PM +0100, Takashi Iwai wrote:
> On Mon, 29 Feb 2016 13:13:30 +0100,
> Sudip Mukherjee wrote:
> >
> > While registering pardev, the irq_func was also registered. As a
> > result when we tried to probe for the card, an interrupt was generated
> > and in the ISR we tried to dereference private_data. But private_data
> > is still NULL as we have not yet done snd_mts64_create(). Lets probe
> > for the card after mts64 is created.
> >
> > Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> > Fixes: 94a573500d48 ("ALSA: mts64: use new parport device model")
> > Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>
>
> Applied, thanks.

Thanks, I will wait for one day for any report from 0day and then send
you the similar patch for portman.

BTW, i lost that auction of portman.

regards
sudip