Re: [PATCH 4/5] mISDN: use DECLARE_COMPLETION_ONSTACK for non-constant completion

[Karsten Keil <keil@b1-systems.de>]

The _ONSTACK variant should be used for on-stack completion,
otherwise it will break lockdep.
 
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Karsten Keil <keil@b1-systems.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Andreas Eversberg <andreas@eversberg.eu>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 drivers/isdn/mISDN/l1oip_core.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
 
diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c 
index 7e5f30d..f1e8af5 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -661,7 +661,7 @@ l1oip_socket_thread(void *data)
 	size_t recvbuf_size = 1500;
 	int recvlen;
 	struct socket *socket = NULL;
-	DECLARE_COMPLETION(wait);
+	DECLARE_COMPLETION_ONSTACK(wait);

 	/* allocate buffer memory */
 	recvbuf = kmalloc(recvbuf_size, GFP_KERNEL);