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* [PATCH] USB: ftdi_sio: Quiet sparse noise about using plain integer was NULL pointer
@ 2012-08-06  9:46 Ying Xue
  0 siblings, 0 replies; only message in thread
From: Ying Xue @ 2012-08-06  9:46 UTC (permalink / raw)
  To: gregkh; +Cc: linux-kernel, linux-usb, linux-serial

Pointers should not be compared to plain integers.
Quiets the sparse warning:
warning: Using plain integer as NULL pointer

Signed-off-by: Ying Xue <ying.xue@windriver.com>
---
 drivers/usb/serial/ftdi_sio.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index bc912e5..70688cb 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2106,7 +2106,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 
 	cflag = termios->c_cflag;
 
-	if (old_termios == 0)
+	if (!old_termios)
 		goto no_skip;
 
 	if (old_termios->c_cflag == termios->c_cflag
-- 
1.6.2.3

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2012-08-06  9:46 [PATCH] USB: ftdi_sio: Quiet sparse noise about using plain integer was NULL pointer Ying Xue

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