Re: [PATCH v4 3/4] drm/mediatek: Fix unintentional integer overflow in multiplying different types

From: AngeloGioacchino Del Regno
Date: Mon Jul 17 2023 - 03:47:35 EST


Il 14/07/23 11:49, Jason-JH.Lin ha scritto:
1. Instead of multiplying 2 variable of different types. Change to
assign a value of one variable and then multiply the other variable.

2. Add a int variable for multiplier calculation instead of calculating
different types multiplier with dma_addr_t variable directly.

Fixes: 1a64a7aff8da ("drm/mediatek: Fix cursor plane no update")
Signed-off-by: Jason-JH.Lin <jason-jh.lin@xxxxxxxxxxxx>
Reviewed-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>