Re: [PATCH] V4L/DVB: dib0700: Prevent NULL pointer dereference during probe
On Sun, 26 Sep 2010 16:25:53 +0200, Jean Delvare wrote: Commit 8dc09004978538d211ccc36b5046919489e30a55 assumes that dev-rc_input_dev is always set. It is, however, NULL if dvb-usb was loaded with option disable_rc_polling=1. Signed-off-by: Jean Delvare kh...@linux-fr.org Cc: Mauro Carvalho Chehab mche...@redhat.com --- drivers/media/dvb/dvb-usb/dib0700_core.c |3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- linux-2.6.36-rc5.orig/drivers/media/dvb/dvb-usb/dib0700_core.c 2010-09-24 17:17:16.0 +0200 +++ linux-2.6.36-rc5/drivers/media/dvb/dvb-usb/dib0700_core.c 2010-09-26 15:04:59.0 +0200 @@ -674,7 +674,8 @@ static int dib0700_probe(struct usb_inte dev-props.rc.core.bulk_mode = false; /* Need a higher delay, to avoid wrong repeat */ - dev-rc_input_dev-rep[REP_DELAY] = 500; + if (dev-rc_input_dev) + dev-rc_input_dev-rep[REP_DELAY] = 500; dib0700_rc_setup(dev); The already applied commit 04cab131ce2a267b6777a98d68fbc0cae44d4ba8 (V4L/DVB: rc-core: increase repeat time) solves the problem in a different way, so you can ignore my patch above, it is no longer needed. -- Jean Delvare -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] V4L/DVB: dib0700: Prevent NULL pointer dereference during probe
Em 08-10-2010 09:32, Jean Delvare escreveu: On Sun, 26 Sep 2010 16:25:53 +0200, Jean Delvare wrote: Commit 8dc09004978538d211ccc36b5046919489e30a55 assumes that dev-rc_input_dev is always set. It is, however, NULL if dvb-usb was loaded with option disable_rc_polling=1. Signed-off-by: Jean Delvare kh...@linux-fr.org Cc: Mauro Carvalho Chehab mche...@redhat.com --- drivers/media/dvb/dvb-usb/dib0700_core.c |3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- linux-2.6.36-rc5.orig/drivers/media/dvb/dvb-usb/dib0700_core.c 2010-09-24 17:17:16.0 +0200 +++ linux-2.6.36-rc5/drivers/media/dvb/dvb-usb/dib0700_core.c 2010-09-26 15:04:59.0 +0200 @@ -674,7 +674,8 @@ static int dib0700_probe(struct usb_inte dev-props.rc.core.bulk_mode = false; /* Need a higher delay, to avoid wrong repeat */ -dev-rc_input_dev-rep[REP_DELAY] = 500; +if (dev-rc_input_dev) +dev-rc_input_dev-rep[REP_DELAY] = 500; dib0700_rc_setup(dev); The already applied commit 04cab131ce2a267b6777a98d68fbc0cae44d4ba8 (V4L/DVB: rc-core: increase repeat time) solves the problem in a different way, so you can ignore my patch above, it is no longer needed. OK. Yeah, we needed to move this to IR core, as other drivers were suffering the same issue, due to RC core timeouts. Cheers, Mauro -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
[PATCH] V4L/DVB: dib0700: Prevent NULL pointer dereference during probe
Commit 8dc09004978538d211ccc36b5046919489e30a55 assumes that dev-rc_input_dev is always set. It is, however, NULL if dvb-usb was loaded with option disable_rc_polling=1. Signed-off-by: Jean Delvare kh...@linux-fr.org Cc: Mauro Carvalho Chehab mche...@redhat.com --- drivers/media/dvb/dvb-usb/dib0700_core.c |3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- linux-2.6.36-rc5.orig/drivers/media/dvb/dvb-usb/dib0700_core.c 2010-09-24 17:17:16.0 +0200 +++ linux-2.6.36-rc5/drivers/media/dvb/dvb-usb/dib0700_core.c 2010-09-26 15:04:59.0 +0200 @@ -674,7 +674,8 @@ static int dib0700_probe(struct usb_inte dev-props.rc.core.bulk_mode = false; /* Need a higher delay, to avoid wrong repeat */ - dev-rc_input_dev-rep[REP_DELAY] = 500; + if (dev-rc_input_dev) + dev-rc_input_dev-rep[REP_DELAY] = 500; dib0700_rc_setup(dev); -- Jean Delvare -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
