Commit 6c11df58 authored by Helge Deller's avatar Helge Deller
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fbmem: Check virtual screen sizes in fb_set_var() 



Verify that the fbdev or drm driver correctly adjusted the virtual
screen sizes. On failure report the failing driver and reject the screen
size change.

Signed-off-by: default avatarHelge Deller <deller@gmx.de>
Reviewed-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org # v5.4+
parent e64242ca
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