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testbench: ipc4: bound mixer max against volume table size #11304

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testbench: ipc4: bound mixer max against volume table size #11304

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5 changes: 5 additions & 0 deletions tools/testbench/topology_ipc4.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1321,6 +1321,11 @@ static int tb_kcontrol_cb_new(struct snd_soc_tplg_ctl_hdr *tplg_ctl,
strncpy(ctl->name, tplg_ctl->name, TB_MAX_CTL_NAME_CHARS);

/* populate the volume table */
if (tplg_mixer->max >= TB_MAX_VOLUME_SIZE) {
fprintf(stderr, "Error: mixer max %u exceeds volume table size %d\n",
tplg_mixer->max, TB_MAX_VOLUME_SIZE);
return -EINVAL;
}
for (i = 0; i < tplg_mixer->max + 1 ; i++) {
uint32_t val = vol_compute_gain(i, scale);

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