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authorAntti Palosaari <crope@iki.fi>2014-03-11 06:53:16 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-06 07:59:32 -0700
commitaa706f0d499e32200fafea3f2def9dfe2bb1bca6 (patch)
treeb0a5dc315fafc7ce7479e320f4a1e95550bf523d /drivers/media
parentd292ef8faa5b3f85632325f5c683cd724b77d7c3 (diff)
media: em28xx: fix PCTV 290e LNA oops
commit 3ec40dcfb413214b2874aec858870502b61c2202 upstream. Pointer to device state has been moved to different location during some change. PCTV 290e LNA function still uses old pointer, carried over FE priv, and it crash. Reported-by: Janne Kujanpää <jikuja@iki.fi> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/usb/em28xx/em28xx-dvb.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index a0a669e81362..1373cfa4e974 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -693,7 +693,8 @@ static void pctv_520e_init(struct em28xx *dev)
static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- struct em28xx *dev = fe->dvb->priv;
+ struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
+ struct em28xx *dev = i2c_bus->dev;
#ifdef CONFIG_GPIOLIB
struct em28xx_dvb *dvb = dev->dvb;
int ret;