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-rw-r--r--drivers/media/dvb-core/dvb_demux.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/dvb-core/dvb_demux.c b/drivers/media/dvb-core/dvb_demux.c
index 58de4410c525..25f3c6484610 100644
--- a/drivers/media/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb-core/dvb_demux.c
@@ -1032,8 +1032,13 @@ static int dmx_section_feed_release_filter(struct dmx_section_feed *feed,
return -EINVAL;
}
- if (feed->is_filtering)
+ if (feed->is_filtering) {
+ /* release dvbdmx->mutex as far as
+ it is acquired by stop_filtering() itself */
+ mutex_unlock(&dvbdmx->mutex);
feed->stop_filtering(feed);
+ mutex_lock(&dvbdmx->mutex);
+ }
spin_lock_irq(&dvbdmx->lock);
f = dvbdmxfeed->filter;