michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: dac: esp32: avoid out-of-range channel ID

Browse source 
Fix channel ID check in dac_esp32_channel_setup as it was allowing to
set up a channel with ID greater than the number of channels.

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
This commit is contained in:
Benjamin Cabé 2025-06-09 15:16:48 +02:00 • committed by Benjamin Cabé
commit 25dc5fe968
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/dac/dac_esp32.c
View file

@ -39,7 +39,7 @@ static int dac_esp32_channel_setup(const struct device *dev,
{ {
ARG_UNUSED(dev); ARG_UNUSED(dev);
if (channel_cfg->channel_id > SOC_DAC_CHAN_NUM) { if (channel_cfg->channel_id >= SOC_DAC_CHAN_NUM) {
LOG_ERR("Channel %d is not valid", channel_cfg->channel_id); LOG_ERR("Channel %d is not valid", channel_cfg->channel_id);
return -EINVAL; return -EINVAL;
} }