| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 104/116] staging: emxx_udc: fix loop in _nbu2ss_nuke() | Date | Mon, 31 May 2021 15:14:40 +0200 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
[ 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 <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/YKUd0sDyjm/lkJfJ@mwanda Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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); } -- 2.30.2
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