staging: emxx_udc: fix loop in _nbu2ss_nuke()

The _nbu2ss_ep_done() function calls:

	list_del_init(&req->queue);

which means that the loop will never exit.

Fixes: ca3d253eb967 ("Staging: emxx_udc: Iterate list using list_for_each_entry")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YKUd0sDyjm/lkJfJ@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
index 741147a4f0fe4ee262eb38e0d144ddd914e91a7f..ecc5c9da902704a5a13bd91493df9a97d6d6e64e 100644 (file)
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ b/drivers/staging/emxx_udc/emxx_udc.c
@@ -2064,7 +2064,7 @@ static int _nbu2ss_nuke(struct nbu2ss_udc *udc,
                        struct nbu2ss_ep *ep,
                        int status)
 {
-       struct nbu2ss_req *req;
+       struct nbu2ss_req *req, *n;
 
        /* Endpoint Disable */
        _nbu2ss_epn_exit(udc, ep);
@@ -2076,7 +2076,7 @@ static int _nbu2ss_nuke(struct nbu2ss_udc *udc,
                return 0;
 
        /* called with irqs blocked */
-       list_for_each_entry(req, &ep->queue, queue) {
+       list_for_each_entry_safe(req, n, &ep->queue, queue) {
                _nbu2ss_ep_done(ep, req, status);
        }