[PATCH] staging: fbtft: core: fix potential memory leak in fbtft_probe_common()

[Andy Shevchenko]

On Wed, Sep 28, 2022 at 02:23:01PM +0800, Jianglei Nie wrote:
> fbtft_probe_common() allocates a memory chunk for "info" with
> fbtft_framebuffer_alloc(). When "display->buswidth == 0" is true, the
> function returns without releasing the "info", which will lead to a
> memory leak.
> 
> Fix it by calling fbtft_framebuffer_release() when "display->buswidth
> == 0" is true.

Fixes tag?

...

>  	if (display->buswidth == 0) {
>  		dev_err(dev, "buswidth is not set\n");
> +		fbtft_framebuffer_release(info);
>  		return -EINVAL;

		ret = dev_err_probe(dev, -EINVAL, "buswidth is not set\n");
		goto out_release;

>  	}

-- 
With Best Regards,
Andy Shevchenko