1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index a084a4751fa9..25372dc381d4 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3877,6 +3877,9 @@ 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) {
@@ -3899,6 +3902,8 @@ 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);
 }