msm_serial_hs: actually check if msm_serial_hs_tx_work failed to init

Just a small typo.

Signed-off-by: Yaroslav Furman <yaro330@gmail.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: khusika <khusikadhamar@gmail.com>

drivers/tty/serial/msm_serial_hs.c

@@ -2780,7 +2780,7 @@ static int uartdm_init_port(struct uart_port *uport)
 	init_kthread_worker(&tx->kworker);
 	tx->task = kthread_run(kthread_worker_fn,
 			&tx->kworker, "msm_serial_hs_%d_tx_work", uport->line);
-	if (IS_ERR(rx->task)) {
+	if (IS_ERR(tx->task)) {
 		MSM_HS_ERR("%s(): error creating task", __func__);
 		goto exit_lh_init;
 	}