Re: [PATCH] Input: Fix memory leak in psxpad_spi_probe

From: Dmitry Torokhov
Date: Sat Dec 07 2019 - 15:44:50 EST


On Tue, Nov 26, 2019 at 10:34:34AM +0100, Greg Kroah-Hartman wrote:
> On Fri, Nov 22, 2019 at 11:02:08AM -0800, Dmitry Torokhov wrote:
> > Hi Navid,
> >
> > On Thu, Nov 21, 2019 at 02:01:11PM -0600, Navid Emamdoost wrote:
> > > In the implementation of psxpad_spi_probe() the allocated memory for
> > > pdev is leaked if psxpad_spi_init_ff() or input_register_polled_device()
> > > fail. The solution is using device managed allocation, like the one used
> > > for pad. Perform the allocation using
> > > devm_input_allocate_polled_device().
> > >
> > > Fixes: 8be193c7b1f4 ("Input: add support for PlayStation 1/2 joypads connected via SPI")
> > > Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
> >
> > This is fixed in the current version of the driver, but you can send it
> > to stable@xxxxxxxxxxxxx with my
>
> Was it fixed by any specific patch, or just a side-affect of some other
> larger change?

It was fixed "by accident" when I converted the driver from using
input_polled_dev to standard input device in polled mode.

Thanks.

--
Dmitry