rcu_read_lock();
tcred = __task_cred(task);
- if (tcred->uid != cred->euid &&
- tcred->uid != cred->uid && !capable(CAP_SYS_NICE)) {
+ if (!uid_eq(tcred->uid, cred->euid) &&
+ !uid_eq(tcred->uid, cred->uid) && !capable(CAP_SYS_NICE)) {
rcu_read_unlock();
return -EPERM;
}
struct task_struct *p, *g;
struct user_struct *user;
struct pid *pgrp;
+ kuid_t uid;
int ret;
switch (class) {
} while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
break;
case IOPRIO_WHO_USER:
+ uid = make_kuid(current_user_ns(), who);
+ if (!uid_valid(uid))
+ break;
if (!who)
user = current_user();
else
- user = find_user(who);
+ user = find_user(uid);
if (!user)
break;
do_each_thread(g, p) {
- if (__task_cred(p)->uid != who)
+ if (!uid_eq(task_uid(p), uid))
continue;
ret = set_task_ioprio(p, ioprio);
if (ret)
struct task_struct *g, *p;
struct user_struct *user;
struct pid *pgrp;
+ kuid_t uid;
int ret = -ESRCH;
int tmpio;
} while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
break;
case IOPRIO_WHO_USER:
+ uid = make_kuid(current_user_ns(), who);
if (!who)
user = current_user();
else
- user = find_user(who);
+ user = find_user(uid);
if (!user)
break;
do_each_thread(g, p) {
- if (__task_cred(p)->uid != user->uid)
+ if (!uid_eq(task_uid(p), user->uid))
continue;
tmpio = get_task_ioprio(p);
if (tmpio < 0)