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arch/risc-v: espressif: temperature: Fix incorrect pointer casting

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Fix bug in temperature sensor driver where direct casting of lower half
structure pointer could lead to incorrect memory access.

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
This commit is contained in:
Huang Qi
2025-09-20 12:05:32 +08:00
committed by Xiang Xiao
parent 47e4576b1c
commit 3af0ab64bb
1 changed files with 4 additions and 2 deletions
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arch/risc-v/src/common/espressif/esp_temperature_sensor.c
+4 -2
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@@ -714,7 +714,8 @@ static int esp_temperature_sensor_set_interval(
struct file *filep, struct file *filep,
uint32_t *period_us) uint32_t *period_us)
{ {
struct esp_temp_priv_s *priv = (struct esp_temp_priv_s *)lower; struct esp_temp_priv_s *priv =
container_of(lower, struct esp_temp_priv_s, lower);
if (*period_us < ESP_TEMP_MIN_INTERVAL) if (*period_us < ESP_TEMP_MIN_INTERVAL)
{ {
@@ -753,7 +754,8 @@ static int esp_temperature_sensor_activate(
struct file *filep, struct file *filep,
bool enable) bool enable)
{ {
struct esp_temp_priv_s *priv = (struct esp_temp_priv_s *)lower; struct esp_temp_priv_s *priv =
container_of(lower, struct esp_temp_priv_s, lower);
#ifdef CONFIG_ESPRESSIF_TEMP_UORB_POLL #ifdef CONFIG_ESPRESSIF_TEMP_UORB_POLL
bool start_thread = false; bool start_thread = false;
#endif #endif