unsigned type for length

mcci-catena · Oct 7, 2019 · 6225a56 · 6225a56
1 parent d603e2e
commit 6225a56
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/lmic/lmic.c b/src/lmic/lmic.c
@@ -1872,7 +1872,7 @@ static bit_t buildDataFrame (void) {
         LMIC.adrChanged = 0;
     }
 
-    int flen = end + (txdata ? 5+dlen : 4);
+    unsigned int flen = end + (txdata ? 5+dlen : 4);
     if( flen > MAX_LEN_FRAME ) {
         // Options and payload too big - delay payload
         txdata = 0;