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-rw-r--r--drivers/char/mxser.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index e218ae29b48..5e28d39b9e8 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();