drivers/sensors: st: fix Null pointer dereferences

Fix Null pointer dereferences in lis2dux12_read_status_cb() and
lsm6dsv16x_read_status_cb().

Fixes: CID 529873
Fixes: CID 529862

Signed-off-by: Armando Visconti <armando.visconti@st.com>

Author: avisconti

drivers/sensor/st/lis2dux12/lis2dux12_rtio_stream.c

@@ -363,8 +363,9 @@ static void lis2dux12_read_status_cb(struct rtio *r, const struct rtio_sqe *sqe,
 		return;
 	}
 
-	if (data_ready->opt == SENSOR_STREAM_DATA_NOP ||
-	    data_ready->opt == SENSOR_STREAM_DATA_DROP) {
+	if (data_ready != NULL &&
+	    (data_ready->opt == SENSOR_STREAM_DATA_NOP ||
+	     data_ready->opt == SENSOR_STREAM_DATA_DROP)) {
 		uint8_t *buf;
 		uint32_t buf_len;
 

drivers/sensor/st/lsm6dsv16x/lsm6dsv16x_rtio_stream.c

@@ -573,8 +573,9 @@ static void lsm6dsv16x_read_status_cb(struct rtio *r, const struct rtio_sqe *sqe
 		return;
 	}
 
-	if (data_ready->opt == SENSOR_STREAM_DATA_NOP ||
-	    data_ready->opt == SENSOR_STREAM_DATA_DROP) {
+	if (data_ready != NULL &&
+	    (data_ready->opt == SENSOR_STREAM_DATA_NOP ||
+	     data_ready->opt == SENSOR_STREAM_DATA_DROP)) {
 		uint8_t *buf;
 		uint32_t buf_len;