X-Git-Url: http://git.droids-corp.org/?p=protos%2Fxbee-avr.git;a=blobdiff_plain;f=rc_proto.c;h=528fa844909522703cc9423efd8b66ee32189c80;hp=ee2888bb3f43de05dc4823a71bff2cf58d7a697f;hb=f74db5fd03bcd38af3ca533e7531dd70454dfaaf;hpb=d6014994e06ebe952d51bef2e36a795f624c4b4d

diff --git a/rc_proto.c b/rc_proto.c
index ee2888b..528fa84 100644
--- a/rc_proto.c
+++ b/rc_proto.c
@@ -31,8 +31,12 @@ static int set_power_level(void *frame, unsigned len, void *arg)
 	struct xbee_atresp_hdr *atresp = (struct xbee_atresp_hdr *)frame;
 	int level = (intptr_t)arg;
 	uint8_t db;
-	db = atresp->data[0];
 
+	/* XXX check if this test is correct */
+	if (len < sizeof(struct xbee_atresp_hdr) + sizeof(uint8_t))
+		return -1;
+
+	db = atresp->data[0];
 	power_levels[level].power_db = db;
 	power_levels[level].ttl = 2;
 	return 0;