mxser: remove else from LSR bits checks
UART_LSR_SPECIAL is composed of UART_LSR_BI, UART_LSR_PE, UART_LSR_FE,
UART_LSR_OE. So status cannot be anything else. Remove the unused else
branch.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-18-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 6b8f2b0..1b8032c 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -2124,8 +2124,7 @@ static u8 mxser_receive_chars_old(struct tty_struct *tty,
} else if (status & UART_LSR_OE) {
flag = TTY_OVERRUN;
port->icount.overrun++;
- } else
- flag = TTY_BREAK;
+ }
}
tty_insert_flip_char(&port->port, ch, flag);
(*cnt)++;