diff mbox

drivers/media/usb/dvb-usb/dib0700_core.c: fix left shift

Message ID 20130106152650.2a89b31d@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mauro Carvalho Chehab Jan. 6, 2013, 5:26 p.m. UTC 
Not sure what happened, but this patch didn't arrive linux-media.

Let me forward.

Regards,
Mauro

Forwarded message:

Date: Sat,  5 Jan 2013 14:13:05 -0500
From: Nickolai Zeldovich <nickolai@csail.mit.edu>
To: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Nickolai Zeldovich <nickolai@csail.mit.edu>, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org
Subject: [PATCH] drivers/media/usb/dvb-usb/dib0700_core.c: fix left shift


Fix bug introduced in 7757ddda6f4febbc52342d82440dd4f7a7d4f14f, where
instead of bit-negating the bitmask, the bit position was bit-negated
instead.

Signed-off-by: Nickolai Zeldovich <nickolai@csail.mit.edu>
---
 drivers/media/usb/dvb-usb/dib0700_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c
index 19b5ed2..92e195a 100644
--- a/drivers/media/usb/dvb-usb/dib0700_core.c
+++ b/drivers/media/usb/dvb-usb/dib0700_core.c
@@ -587,7 +587,7 @@  int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 		if (onoff)
 			st->channel_state |=	1 << (adap->id);
 		else
-			st->channel_state |=	1 << ~(adap->id);
+			st->channel_state &=  ~(1 << (adap->id));
 	} else {
 		if (onoff)
 			st->channel_state |=	1 << (adap->fe_adap[0].stream.props.endpoint-2);