Driver Uses Variably-Sized Stack Variables

[CN-YongJun]

[CN-YongJun]

expression must have a constant value.

[abrauchli]

yes, some compilers have an issue with that and we will fix it. For a quick fix you can assume that a buffer of three words will always work.

@@ -90,7 +87,7 @@ static struct sgpc3_data {
 static void unpack_signals(const struct sgp_profile *profile) {
     int16_t i, j;
     uint16_t data_words = profile->num_words;
-    uint16_t word_buf[data_words];
+    uint16_t word_buf[3];
 
     /* copy buffer */
     for (i = 0; i < data_words; i++)

[GetPastTheMonkey]

This should be fixed now (see commit c955989).

@CN-YongJun Could you please check if it works now for you?