[PATCH] fbdev/xen-fbfront: Assign fb_info->device

Helge Deller deller at gmx.de
Wed Sep 11 05:59:42 UTC 2024


On 9/10/24 04:09, Jason Andryuk wrote:
> From: Jason Andryuk <jason.andryuk at amd.com>
>
> Probing xen-fbfront faults in video_is_primary_device().  The passed-in
> struct device is NULL since xen-fbfront doesn't assign it and the
> memory is kzalloc()-ed.  Assign fb_info->device to avoid this.
>
> This was exposed by the conversion of fb_is_primary_device() to
> video_is_primary_device() which dropped a NULL check for struct device.
>
> Fixes: f178e96de7f0 ("arch: Remove struct fb_info from video helpers")
> Reported-by: Arthur Borsboom <arthurborsboom at gmail.com>
> Closes: https://lore.kernel.org/xen-devel/CALUcmUncX=LkXWeiSiTKsDY-cOe8QksWhFvcCneOKfrKd0ZajA@mail.gmail.com/
> Tested-by: Arthur Borsboom <arthurborsboom at gmail.com>
> CC: stable at vger.kernel.org
> Signed-off-by: Jason Andryuk <jason.andryuk at amd.com>

applied to fbdev git tree.

Thanks!
Helge



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