From 56760f07a7948d53b807c8f00c1639df9acf97fd Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 15 Aug 2006 11:38:40 -0300 Subject: [PATCH] V4L/DVB (4525): Drivers/media/dvb/dvb-usb/dibusb-mb.c: NULL dereference The Coverity checker spotted the following "we dereference d->fe only when we know it's NULL" bug: <-- snip --> ... static int dibusb_dib3000mb_frontend_attach(struct dvb_usb_device *d) { ... if ((d->fe = dib3000mb_attach(&demod_cfg,&d->i2c_adap,&st->ops)) == NULL) { d->fe->ops.tuner_ops.init = dvb_usb_tuner_init_i2c; d->fe->ops.tuner_ops.set_params = dvb_usb_tuner_set_params_i2c; return -ENODEV; } ... <-- snip --> Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dibusb-mb.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dibusb-mb.c b/drivers/media/dvb/dvb-usb/dibusb-mb.c index f181d10fd88..5439889af2f 100644 --- a/drivers/media/dvb/dvb-usb/dibusb-mb.c +++ b/drivers/media/dvb/dvb-usb/dibusb-mb.c @@ -21,11 +21,11 @@ static int dibusb_dib3000mb_frontend_attach(struct dvb_usb_device *d) demod_cfg.demod_address = 0x8; - if ((d->fe = dib3000mb_attach(&demod_cfg,&d->i2c_adap,&st->ops)) == NULL) { - d->fe->ops.tuner_ops.init = dvb_usb_tuner_init_i2c; - d->fe->ops.tuner_ops.set_params = dvb_usb_tuner_set_params_i2c; + if ((d->fe = dib3000mb_attach(&demod_cfg,&d->i2c_adap,&st->ops)) == NULL) return -ENODEV; - } + + d->fe->ops.tuner_ops.init = dvb_usb_tuner_init_i2c; + d->fe->ops.tuner_ops.set_params = dvb_usb_tuner_set_params_i2c; d->tuner_pass_ctrl = st->ops.tuner_pass_ctrl; -- 2.41.1