[PATCH 3/5] USB: use DECLARE_COMPLETION_ONSTACK for non-constant completion

From: Yong Zhang
Date: Wed Dec 16 2009 - 09:36:55 EST


The _ONSTACK variant should be used for on-stack completion,
otherwise it will break lockdep.

Signed-off-by: Yong Zhang <yong.zhang0@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
Cc: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
Cc: Kay Sievers <kay.sievers@xxxxxxxx>
Cc: Li Yang <leoli@xxxxxxxxxxxxx>
Cc: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
Cc: linux-usb@xxxxxxxxxxxxxxx
---
drivers/usb/gadget/fsl_qe_udc.c | 2 +-
drivers/usb/gadget/fsl_udc_core.c | 2 +-
drivers/usb/gadget/langwell_udc.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index 7881f12..5e9e921 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -2694,7 +2694,7 @@ static int __devexit qe_udc_remove(struct of_device *ofdev)
struct qe_ep *ep;
unsigned int size;

- DECLARE_COMPLETION(done);
+ DECLARE_COMPLETION_ONSTACK(done);

if (!udc_controller)
return -ENODEV;
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index fa3d142..e9e4de3 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -2399,7 +2399,7 @@ static int __exit fsl_udc_remove(struct platform_device *pdev)
{
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

- DECLARE_COMPLETION(done);
+ DECLARE_COMPLETION_ONSTACK(done);

if (!udc_controller)
return -ENODEV;
diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c
index a391351..ddfe015 100644
--- a/drivers/usb/gadget/langwell_udc.c
+++ b/drivers/usb/gadget/langwell_udc.c
@@ -2903,7 +2903,7 @@ static void langwell_udc_remove(struct pci_dev *pdev)
{
struct langwell_udc *dev = the_controller;

- DECLARE_COMPLETION(done);
+ DECLARE_COMPLETION_ONSTACK(done);

BUG_ON(dev->driver);
DBG(dev, "---> %s()\n", __func__);
--
1.6.3.3

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