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

[Cong Ding]

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@xxxxxxxxx>
---
 drivers/tty/serial/crisv10.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index 35ee6a2..3b24965 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -3137,7 +3137,7 @@ 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
-- 
1.7.10.4

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