The logic there tries to start the media entity even if it
doesn't exist, causing this bug:
[ 314.356162] BUG: unable to handle kernel NULL pointer dereference at
0000000000000010
[ 314.356202] IP: [<ffffffffa02ef74c>]
media_entity_pipeline_start+0x1c/0x390 [media]
Reported-by: Gert-Jan van der Stroom <gjstr...@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mche...@osg.samsung.com>
diff --git a/drivers/media/dvb-core/dvb_frontend.c
b/drivers/media/dvb-core/dvb_frontend.c
index d7d390c5c7c3..477620bc993b 100644
--- a/drivers/media/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb-core/dvb_frontend.c
@@ -714,7 +714,7 @@ static int dvb_frontend_thread(void *data)
/* FIXME: return an error if it fails */
dev_info(fe->dvb->device,
"proceeding with FE task\n");
- } else {
+ } else if (fepriv->pipe_start_entity) {
ret = media_entity_pipeline_start(fepriv->pipe_start_entity,
&fepriv->pipe);
if (ret)
--
2.1.0
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