From: Robert Baldyga <r.baldyga@samsung.com>
To: balbi@ti.com
Cc: gregkh@linuxfoundation.org, andrzej.p@samsung.com,
        m.szyprowski@samsung.com, b.zolnierkie@samsung.com,
        linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        Robert Baldyga <r.baldyga@samsung.com>
Subject: [PATCH 05/23] usb: gadget: configfs: fix error path
Date: Tue, 03 Nov 2015 13:53:44 +0100
Message-id: <1446555242-3733-6-git-send-email-r.baldyga@samsung.com>
In-reply-to: <1446555242-3733-1-git-send-email-r.baldyga@samsung.com>
References: <1446555242-3733-1-git-send-email-r.baldyga@samsung.com>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1096
Lines: 31

As usb_gstrings_attach() fail can happen when some USB functions are
are already added to some configurations (in prevoius loop iterations),
we should always call purge_configs_funcs() to be sure that failure is
be handled properly.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
---
 drivers/usb/gadget/configfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 294eb74..d2101d8 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1411,7 +1411,7 @@ static int configfs_composite_bind(struct usb_gadget *gadget,
 			s = usb_gstrings_attach(&gi->cdev, cfg->gstrings, 1);
 			if (IS_ERR(s)) {
 				ret = PTR_ERR(s);
-				goto err_comp_cleanup;
+				goto err_purge_funcs;
 			}
 			c->iConfiguration = s[0].id;
 		}
-- 
1.9.1

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