usb: gadget: configfs: Fix missing spin_lock_init()
commit5.4-rM2-2.2.x-imx-squashed093edc2baa
upstream. The driver allocates the spinlock but not initialize it. Use spin_lock_init() on it to initialize it correctly. This is detected by Coccinelle semantic patch. Fixes:1a1c851bbd
("usb: gadget: configfs: fix concurrent issue between composite APIs") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Cc: stable <stable@vger.kernel.org> Reviewed-by: Peter Chen <peter.chen@nxp.com> Link: https://lore.kernel.org/r/20191030034046.188808-1-weiyongjun1@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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f7688b48ac
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5884916940
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@ -1544,6 +1544,7 @@ static struct config_group *gadgets_make(
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gi->composite.resume = NULL;
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gi->composite.max_speed = USB_SPEED_SUPER;
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spin_lock_init(&gi->spinlock);
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mutex_init(&gi->lock);
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INIT_LIST_HEAD(&gi->string_list);
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INIT_LIST_HEAD(&gi->available_func);
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