tty: serial/68328serial.c: remove unnecessary null pointer check
authorCong Ding <dinggnu@gmail.com>
Wed, 16 Jan 2013 22:30:43 +0000 (23:30 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 18 Jan 2013 01:20:09 +0000 (17:20 -0800)
The pointer info is dereferened in line 1009, so it is not necessary to check
null again in line 1012.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/68328serial.c

index 641a5a4d73d9072e9f972cd26ec1c3785ddeff73..49399470794d642b96a78d1dc537c60bbb49339c 100644 (file)
@@ -1002,7 +1002,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
        m68328_uart *uart = &uart_addr[info->line];
        unsigned long flags;
 
-       if (!info || serial_paranoia_check(info, tty->name, "rs_close"))
+       if (serial_paranoia_check(info, tty->name, "rs_close"))
                return;
        
        local_irq_save(flags);