usb: gadget: multi: fix error return code in rndis_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 59835a (usb: gadget: multi: use
function framework for ACM.)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index a74ebef..4a45e80 100644 (file)
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -157,8 +157,10 @@ static __init int rndis_do_config(struct usb_configuration *c)
                return ret;
 
        f_acm_rndis = usb_get_function(fi_acm);
-       if (IS_ERR(f_acm_rndis))
+       if (IS_ERR(f_acm_rndis)) {
+               ret = PTR_ERR(f_acm_rndis);
                goto err_func_acm;
+       }
 
        ret = usb_add_function(c, f_acm_rndis);
        if (ret)