functionfs was leaking request objects created by autoconfig.
Signed-off-by: Peter Korsgaard <peter.korsgaard@xxxxxxxxx>
---
drivers/usb/gadget/f_fs.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index f52cb1a..1d4c535 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1473,8 +1473,22 @@ static int functionfs_bind_config(struct usb_composite_dev *cdev,
static void ffs_func_free(struct ffs_function *func)
{
+ struct ffs_ep *ep = func->eps;
+ unsigned count = func->ffs->eps_count;
+ unsigned long flags;
+
ENTER();
+ /* cleanup after autoconfig */
+ spin_lock_irqsave(&func->ffs->eps_lock, flags);
+ do {
+ if (ep->ep && ep->req)
+ usb_ep_free_request(ep->ep, ep->req);
+ ep->req = NULL;
+ ++ep;
+ } while (--count);
+ spin_unlock_irqrestore(&func->ffs->eps_lock, flags);
+
ffs_data_put(func->ffs);
kfree(func->eps);
--
1.7.10
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