From: Ingo Molnar <mingo@elte.hu>

lockdep needs to have the waitqueue lock initialized for on-stack
waitqueues implicitly initialized by DECLARE_COMPLETION().

Annotate mmc_wait_for_req()'s on-stack completion accordingly.

Has no effect on non-lockdep kernels.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/mmc/mmc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN drivers/mmc/mmc.c~lockdep-annotate-on-stack-completions-mmc drivers/mmc/mmc.c
--- a/drivers/mmc/mmc.c~lockdep-annotate-on-stack-completions-mmc
+++ a/drivers/mmc/mmc.c
@@ -129,7 +129,7 @@ static void mmc_wait_done(struct mmc_req
 
 int mmc_wait_for_req(struct mmc_host *host, struct mmc_request *mrq)
 {
-	DECLARE_COMPLETION(complete);
+	DECLARE_COMPLETION_ONSTACK(complete);
 
 	mrq->done_data = &complete;
 	mrq->done = mmc_wait_done;
_