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mxser: remove else from LSR bits checks

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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>
This commit is contained in:
Jiri Slaby 2021-06-18 08:14:23 +02:00 committed by Greg Kroah-Hartman
parent 0c4194218c
commit 6de6e5c4be
1 changed files with 1 additions and 2 deletions
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3
drivers/tty/mxser.c
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@ -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)++;