From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M

---
 kernel/include/media/dvb_net.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/kernel/include/media/dvb_net.h b/kernel/include/media/dvb_net.h
index 5e31d37..cc01dff 100644
--- a/kernel/include/media/dvb_net.h
+++ b/kernel/include/media/dvb_net.h
@@ -41,6 +41,9 @@
  * @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.
@@ -53,6 +56,7 @@
 	unsigned int exit:1;
 	struct dmx_demux *demux;
 	struct mutex ioctl_mutex;
+	struct mutex remove_mutex;
 };
 
 /**

--
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