In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly. Adds a static tracking variable to
match the timer global.
Cc: Felipe Balbi <ba...@kernel.org>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Kees Cook <keesc...@chromium.org>
---
drivers/usb/gadget/legacy/zero.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/gadget/legacy/zero.c b/drivers/usb/gadget/legacy/zero.c
index d02e2ce73ea5..3acc589dae98 100644
--- a/drivers/usb/gadget/legacy/zero.c
+++ b/drivers/usb/gadget/legacy/zero.c
@@ -154,10 +154,11 @@ static struct usb_gadget_strings *dev_strings[] = {
/*-------------------------------------------------------------------------*/
static struct timer_list autoresume_timer;
+static struct usb_composite_dev *autoresume_cdev;
-static void zero_autoresume(unsigned long _c)
+static void zero_autoresume(struct timer_list *unused)
{
- struct usb_composite_dev *cdev = (void *)_c;
+ struct usb_composite_dev *cdev = autoresume_cdev;
struct usb_gadget *g = cdev->gadget;
/* unconfigured devices can't issue wakeups */
@@ -282,7 +283,8 @@ static int zero_bind(struct usb_composite_dev *cdev)
device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
device_desc.iSerialNumber = strings_dev[USB_GADGET_SERIAL_IDX].id;
- setup_timer(&autoresume_timer, zero_autoresume, (unsigned long) cdev);
+ autoresume_cdev = cdev;
+ timer_setup(&autoresume_timer, zero_autoresume, 0);
func_inst_ss = usb_get_function_instance("SourceSink");
if (IS_ERR(func_inst_ss))
--
2.7.4
--
Kees Cook
Pixel Security
--
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