Align packetbuf on an even 32-bit boundary

contiki-os · Dec 3, 2014 · c0d6b11 · c0d6b11
1 parent b6b5c6e
commit c0d6b11
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/core/net/packetbuf.c b/core/net/packetbuf.c
@@ -56,10 +56,10 @@ static uint16_t buflen, bufptr;
 static uint8_t hdrptr;
 
 /* The declarations below ensure that the packet buffer is aligned on
-   an even 16-bit boundary. On some platforms (most notably the
-   msp430), having apotentially misaligned packet buffer may lead to
-   problems when accessing 16-bit values. */
-static uint16_t packetbuf_aligned[(PACKETBUF_SIZE + PACKETBUF_HDR_SIZE) / 2 + 1];
+   an even 32-bit boundary. On some platforms (most notably the
+   msp430 or OpenRISC), having a potentially misaligned packet buffer may lead to
+   problems when accessing words. */
+static uint32_t packetbuf_aligned[(PACKETBUF_SIZE + PACKETBUF_HDR_SIZE + 3) / 4];
 static uint8_t *packetbuf = (uint8_t *)packetbuf_aligned;
 
 static uint8_t *packetbufptr;