From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Once a task calls exit_signals() it can no longer be signalled. So do
not allow it to do killable waits.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
net/sunrpc/sched.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 9b45fbdc90ca..73bc39281ef5 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -276,6 +276,8 @@ EXPORT_SYMBOL_GPL(rpc_destroy_wait_queue);
static int rpc_wait_bit_killable(struct wait_bit_key *key, int mode)
{
+ if (unlikely(current->flags & PF_EXITING))
+ return -EINTR;
schedule();
if (signal_pending_state(mode, current))
return -ERESTARTSYS;
--
2.49.0
