1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index e218ae29b482..5e28d39b9e81 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1806,7 +1806,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file,
 
                 lock_kernel();
                 len = mxser_chars_in_buffer(tty);
-                lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_TEMT;
+                lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_THRE;
                 len += (lsr ? 0 : 1);
                 unlock_kernel();