drm: Check user mode against overflows

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The internal mode representation drm_display_mode uses signed data
types. When converting the user mode to internal representation,
check that the unsigned values don't overflow the signed datatypes.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

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Ville Syrjälä 2012-03-13 12:35:44 +02:00 • committed by Dave Airlie

parent ee34ab5b01

commit 90367bf6e9

1 changed files with 28 additions and 5 deletions

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33

drivers/gpu/drm/drm_crtc.c

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