Re: [PATCH] atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent

From: Xin Xiong Date: Wed, 29 Jul 2020 21:06:59 +0800 > atmtcp_remove_persistent() invokes atm_dev_lookup(), which returns a > reference of atm_dev with increased refcount or NULL if fails. > > The refcount leaks issues occur in two error handling paths. If > dev_data->persist is zero or PRIV(de

[PATCH] atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent

atmtcp_remove_persistent() invokes atm_dev_lookup(), which returns a reference of atm_dev with increased refcount or NULL if fails. The refcount leaks issues occur in two error handling paths. If dev_data->persist is zero or PRIV(dev)->vcc isn't NULL, the function returns 0 without decreasing the