X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fasix-sigma%2Fprotocol.c;h=d2670b4c3a974e503330f9a1564fd2b1737772e1;hb=7c86d8537204caa95d70d92bf5698b32ac35fa10;hp=49163da990155d924ef5aff178158877ee7f0407;hpb=2f7e529ce64c45508adf616b4b48a7a154aa7798;p=libsigrok.git

diff --git a/src/hardware/asix-sigma/protocol.c b/src/hardware/asix-sigma/protocol.c
index 49163da9..d2670b4c 100644
--- a/src/hardware/asix-sigma/protocol.c
+++ b/src/hardware/asix-sigma/protocol.c
@@ -105,9 +105,9 @@ SR_PRIV int sigma_write_register(uint8_t reg, uint8_t *data, size_t len,
 	uint8_t buf[80];
 	int idx = 0;
 
-	if ((len + 2) > sizeof(buf)) {
+	if ((2 * len + 2) > sizeof(buf)) {
 		sr_err("Attempted to write %zu bytes, but buffer is too small.",
-		       len + 2);
+		       len);
 		return SR_ERR_BUG;
 	}