tty: serial/crisv10.c: remove unnecessary null pointer check

The pointer tty is dereferened in line 3135, so it is not necessary to check
null again in line 3140.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index 45acf10..5f37c31 100644 (file)
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -3122,7 +3122,7 @@ static int rs_raw_write(struct tty_struct *tty,
 
        /* first some sanity checks */
 
-       if (!tty || !info->xmit.buf)
+       if (!info->xmit.buf)
                return 0;
 
 #ifdef SERIAL_DEBUG_DATA