From 06432baa4f42f3df64a852cea0022e84c6ec1cc0 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Mon, 7 Jun 2021 22:40:14 +0800 Subject: [PATCH] staging: emxx_udc: fix loop in _nbu2ss_nuke() [ Upstream commit e0112a7c9e847ada15a631b88e279d547e8f26a7 ] 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 Link: https://lore.kernel.org/r/YKUd0sDyjm/lkJfJ@mwanda Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin Signed-off-by: Yang Yingliang --- drivers/staging/emxx_udc/emxx_udc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c index 3e51476a7045..d2cb2bd6d913 100644 --- a/drivers/staging/emxx_udc/emxx_udc.c +++ b/drivers/staging/emxx_udc/emxx_udc.c @@ -2148,7 +2148,7 @@ 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); @@ -2160,7 +2160,7 @@ 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); } -- GitLab