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-rw-r--r--drivers/char/ipmi/ipmi_msghandler.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 9f699951b75a..49a7e9685e77 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3878,6 +3878,9 @@ static void smi_recv_tasklet(unsigned long val)
* because the lower layer is allowed to hold locks while calling
* message delivery.
*/
+
+ rcu_read_lock();
+
if (!run_to_completion)
spin_lock_irqsave(&intf->xmit_msgs_lock, flags);
if (intf->curr_msg == NULL && !intf->in_shutdown) {
@@ -3900,6 +3903,8 @@ static void smi_recv_tasklet(unsigned long val)
if (newmsg)
intf->handlers->sender(intf->send_info, newmsg);
+ rcu_read_unlock();
+
handle_new_recv_msgs(intf);
}