diff options
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 31deba8f7d1..ed5c29c748a 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -114,10 +114,10 @@ void (*pm_power_off_prepare)(void); static int set_one_prio(struct task_struct *p, int niceval, int error) { + uid_t euid = current_euid(); int no_nice; - if (p->uid != current->euid && - p->euid != current->euid && !capable(CAP_SYS_NICE)) { + if (p->uid != euid && p->euid != euid && !capable(CAP_SYS_NICE)) { error = -EPERM; goto out; } @@ -176,16 +176,16 @@ asmlinkage long sys_setpriority(int which, int who, int niceval) case PRIO_USER: user = current->user; if (!who) - who = current->uid; + who = current_uid(); else - if ((who != current->uid) && !(user = find_user(who))) + if (who != current_uid() && !(user = find_user(who))) goto out_unlock; /* No processes for this user */ do_each_thread(g, p) if (p->uid == who) error = set_one_prio(p, niceval, error); while_each_thread(g, p); - if (who != current->uid) + if (who != current_uid()) free_uid(user); /* For find_user() */ break; } @@ -238,9 +238,9 @@ asmlinkage long sys_getpriority(int which, int who) case PRIO_USER: user = current->user; if (!who) - who = current->uid; + who = current_uid(); else - if ((who != current->uid) && !(user = find_user(who))) + if (who != current_uid() && !(user = find_user(who))) goto out_unlock; /* No processes for this user */ do_each_thread(g, p) @@ -250,7 +250,7 @@ asmlinkage long sys_getpriority(int which, int who) retval = niceval; } while_each_thread(g, p); - if (who != current->uid) + if (who != current_uid()) free_uid(user); /* for find_user() */ break; } |