drm/stm: ltdc: limit number of layer to avoid memory overflow

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If the number of layer is greater than LTDC_MAX_LAYER, we can have
memory overflow when reading plane_fpsi[].

Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
Acked-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1554283216-2700-1-git-send-email-yannick.fertre@st.com

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Yannick Fertré 2019-04-03 11:20:16 +02:00 • committed by Benjamin Gaignard

parent 8ceb8568d6

commit 77756ad6d0

1 changed files with 5 additions and 2 deletions

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drivers/gpu/drm/stm/ltdc.c

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