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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-09-19 16:37:39 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-09-19 16:37:39 +0200
commit362f34fba309536598a02bc0541ccaeae2bc9052 (patch)
tree909959d943cf9f3afe80ba67333359828660e27c /drivers/usb/gadget/udc/dummy_hcd.c
parente4c42304a8cd3b7d0b9755e80dd6835c20b8e0dc (diff)
parent62dae019823123ce3baa50e680219e2beb9a63a5 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget/udc/dummy_hcd.c')
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 27c9699365ab..18cd4b925e5e 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -765,8 +765,7 @@ static int dummy_dequeue(struct usb_ep *_ep, struct usb_request *_req)
if (!dum->driver)
return -ESHUTDOWN;
- local_irq_save(flags);
- spin_lock(&dum->lock);
+ spin_lock_irqsave(&dum->lock, flags);
list_for_each_entry(iter, &ep->queue, queue) {
if (&iter->req != _req)
continue;
@@ -776,15 +775,16 @@ static int dummy_dequeue(struct usb_ep *_ep, struct usb_request *_req)
retval = 0;
break;
}
- spin_unlock(&dum->lock);
if (retval == 0) {
dev_dbg(udc_dev(dum),
"dequeued req %p from %s, len %d buf %p\n",
req, _ep->name, _req->length, _req->buf);
+ spin_unlock(&dum->lock);
usb_gadget_giveback_request(_ep, _req);
+ spin_lock(&dum->lock);
}
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&dum->lock, flags);
return retval;
}