[PATCH 05/23] usb: gadget: configfs: fix error path

[Robert Baldyga]

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@xxxxxxxxxxx>
---
 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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