[PATCH] lockdep: annotate DECLARE_WAIT_QUEUE_HEAD
kernel: INFO: trying to register non-static key.
kernel: the code is fine but needs lockdep annotation.
kernel: turning off the locking correctness validator.
kernel: [<c04051ed>] show_trace_log_lvl+0x58/0x16a
kernel: [<c04057fa>] show_trace+0xd/0x10
kernel: [<c0405913>] dump_stack+0x19/0x1b
kernel: [<c043b1e2>] __lock_acquire+0xf0/0x90d
kernel: [<c043bf70>] lock_acquire+0x4b/0x6b
kernel: [<c061472f>] _spin_lock_irqsave+0x22/0x32
kernel: [<c04363d3>] prepare_to_wait+0x17/0x4b
kernel: [<f89a24b6>] lpfc_do_work+0xdd/0xcc2 [lpfc]
kernel: [<c04361b9>] kthread+0xc3/0xf2
kernel: [<c0402005>] kernel_thread_helper+0x5/0xb
Another case of non-static lockdep keys; duplicate the paradigm set by
DECLARE_COMPLETION_ONSTACK and introduce DECLARE_WAIT_QUEUE_HEAD_ONSTACK.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Greg KH <gregkh@suse.de>
Cc: Markus Lidel <markus.lidel@shadowconnect.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index b0eba39..89a2a9f 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -1012,7 +1012,7 @@
static int __ppa_attach(struct parport *pb)
{
struct Scsi_Host *host;
- DECLARE_WAIT_QUEUE_HEAD(waiting);
+ DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waiting);
DEFINE_WAIT(wait);
ppa_struct *dev;
int ports;
