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tgsi: fix out of bounds access in exec_atomop() 

The number of channels must be 4 for all RGBA components.

Fixes: 22d129601 ("tgsi: add support for image operations to tgsi_exec. (v2.1)")
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Samuel Pitoiset 2016-03-31 10:54:17 +02:00 committed by Dave Airlie
parent 9076e04934
commit 05902a6686
1 changed files with 1 additions and 1 deletions
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2
src/gallium/auxiliary/tgsi/tgsi_exec.c
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@ -3853,7 +3853,7 @@ static void
exec_atomop(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst)
{
union tgsi_exec_channel r[3], sample_r;
union tgsi_exec_channel r[4], sample_r;
union tgsi_exec_channel value[4], value2[4];
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE];
float rgba2[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE];