Messages in this thread | | | Date | Fri, 3 May 2019 00:09:22 +0300 | From | Cyrill Gorcunov <> | Subject | Re: [PATCH v2 1/2] kernel/sys: add PR_GET_TASK_SIZE option to prctl(2) |
| |
On Thu, May 02, 2019 at 04:52:21PM -0400, Joel Savitz wrote: > > +static int prctl_get_tasksize(void __user * uaddr) > +{ > + unsigned long task_size = TASK_SIZE; > + return copy_to_user(uaddr, &task_size, sizeof(unsigned long)) > + ? -EFAULT : 0; > +}
Won't be possible to use put_user here? Something like
static int prctl_get_tasksize(unsigned long __user *uaddr) { return put_user(TASK_SIZE, uaddr) ? -EFAULT : 0; }
| |