Re: Re: [PATCH] watchdog: Fix double-free in watchdog_cdev_register

2020-08-23 Thread dinghao . liu
> On 8/23/20 12:13 AM, Dinghao Liu wrote: > > When misc_register() fails, wd_data will be released by the > > release callback function watchdog_core_data_release(), so > > we don't need to free it again. But when watchdog_kworker is > > NULL, we should free wd_data to prevent memleak. > > > >

Re: [PATCH] watchdog: Fix double-free in watchdog_cdev_register

2020-08-23 Thread Guenter Roeck
On 8/23/20 12:13 AM, Dinghao Liu wrote: > When misc_register() fails, wd_data will be released by the > release callback function watchdog_core_data_release(), so > we don't need to free it again. But when watchdog_kworker is > NULL, we should free wd_data to prevent memleak. > > Fixes: