sixlowpan: check the first 2 bits of dispatch byte

2016-03-01 18:31:55 +01:00 · 2016-03-01 18:31:55 +01:00 · e8d18c1856
commit e8d18c1856
parent 754a028929
1 changed files with 1 additions and 1 deletions
--- a/sys/include/net/sixlowpan.h
+++ b/sys/include/net/sixlowpan.h
@ -71,7 +71,7 @@ extern "C" {
 */
 static inline bool sixlowpan_nalp(uint8_t disp)
 {
-    return (disp & 0x3f);
+    return ((disp & 0xc0) == 0);
 }
 /** @} */