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usb: mtu3: unlock @mtu->lock just before giving back request

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No need unlock @mtu->lock when unmap request, unlock it just before
giving back request, due to we do not lock this spinlock when map
the request.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20230417025203.18097-4-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun 2023-04-17 10:52:00 +08:00 committed by Greg Kroah-Hartman
parent d28f4091ea
commit ed50be81d5
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/mtu3/mtu3_gadget.c
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@ -23,7 +23,6 @@ __acquires(mep->mtu->lock)
req->status = status;
trace_mtu3_req_complete(mreq);
spin_unlock(&mtu->lock);
/* ep0 makes use of PIO, needn't unmap it */
if (mep->epnum)
@ -32,6 +31,7 @@ __acquires(mep->mtu->lock)
dev_dbg(mtu->dev, "%s complete req: %p, sts %d, %d/%d\n",
mep->name, req, req->status, req->actual, req->length);
spin_unlock(&mtu->lock);
usb_gadget_giveback_request(&mep->ep, req);
spin_lock(&mtu->lock);
}