On Thu, Jul 28, 2022 at 12:49:15PM +, Liu, Chuansheng wrote:
> Hi Peter,
>
> >
> > The fbtft_framebuffer_alloc() calls fb_deferred_io_init() before
> > initializing info->fix.smem_len. It is set to zero by the
> > framebuffer_alloc() function. It will trigger a WARN_ON() at the
> > start
reedesktop.org; linux-fb...@vger.kernel.org; linux-
> stag...@lists.linux.dev; linux-ker...@vger.kernel.org
> Subject: [PATCH v3] staging: fbtft: core: set smem_len before
> fb_deferred_io_init call
>
> The fbtft_framebuffer_alloc() calls fb_deferred_io_init() before
> initializ
The fbtft_framebuffer_alloc() calls fb_deferred_io_init() before
initializing info->fix.smem_len. It is set to zero by the
framebuffer_alloc() function. It will trigger a WARN_ON() at the
start of fb_deferred_io_init() and the function will not do anything.
Fixes: 856082f021a2 ("fbdev: defio:
