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-rw-r--r--include/media/dvb_net.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/media/dvb_net.h b/include/media/dvb_net.h
index 9980b1dd750b..4a921ea96091 100644
--- a/include/media/dvb_net.h
+++ b/include/media/dvb_net.h
@@ -39,6 +39,9 @@ struct net_device;
* @exit: flag to indicate when the device is being removed.
* @demux: pointer to &struct dmx_demux.
* @ioctl_mutex: protect access to this struct.
+ * @remove_mutex: mutex that avoids a race condition between a callback
+ * called when the hardware is disconnected and the
+ * file_operations of dvb_net.
*
* Currently, the core supports up to %DVB_NET_DEVICES_MAX (10) network
* devices.
@@ -51,6 +54,7 @@ struct dvb_net {
unsigned int exit:1;
struct dmx_demux *demux;
struct mutex ioctl_mutex;
+ struct mutex remove_mutex;
};
/**