f_fs: ffs_func_free: cleanup requests allocated by autoconfig
functionfs was leaking request objects created by autoconfig.
Signed-off-by: Peter Korsgaard <peter.korsgaard@barco.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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 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);