usb: gadget: cdc2: fix error return code in cdc_do_config()
Fix to return a negative error code from the error handling case instead of 0, as returned elsewhere in this function. Introduced by commit 29a664 (usb: gadget: cdc2: use function framework for ACM) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Felipe Balbi <balbi@ti.com>
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@ -129,8 +129,10 @@ static int __init cdc_do_config(struct usb_configuration *c)
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return PTR_ERR(fi_serial);
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f_acm = usb_get_function(fi_serial);
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if (IS_ERR(f_acm))
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if (IS_ERR(f_acm)) {
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status = PTR_ERR(f_acm);
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goto err_func_acm;
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}
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status = usb_add_function(c, f_acm);
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if (status)
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