diff --git a/drivers/net/wimax/i2400m/tx.c b/drivers/net/wimax/i2400m/tx.c
index 4295dcf96ee2b1ec09e862e7e8e9bdf3b8e22f27..fa16ccf8e26a40bf5795c635c030f9713dd50fe6 100644
--- a/drivers/net/wimax/i2400m/tx.c
+++ b/drivers/net/wimax/i2400m/tx.c
@@ -653,6 +653,8 @@ int i2400m_tx(struct i2400m *i2400m, const void *buf, size_t buf_len,
 		i2400m_tx_close(i2400m);
 		i2400m_tx_new(i2400m);
 	}
+	if (i2400m->tx_msg == NULL)
+		goto error_tx_new;
 	if (i2400m->tx_msg->size + padded_len > I2400M_TX_BUF_SIZE / 2) {
 		d_printf(2, dev, "TX: message too big, going new\n");
 		i2400m_tx_close(i2400m);