Remove x86 merge artifact from top Makefile
[sfrench/cifs-2.6.git] / kernel / posix-cpu-timers.c
index b53c8fcd9d82d25044867c9529a17f9b1fdb00f8..68c96376e84a6078da9c07d6ebfc2b1c64a3e2a7 100644 (file)
@@ -21,8 +21,8 @@ static int check_clock(const clockid_t which_clock)
 
        read_lock(&tasklist_lock);
        p = find_task_by_pid(pid);
-       if (!p || (CPUCLOCK_PERTHREAD(which_clock) ?
-                  p->tgid != current->tgid : p->tgid != pid)) {
+       if (!p || !(CPUCLOCK_PERTHREAD(which_clock) ?
+                  same_thread_group(p, current) : thread_group_leader(p))) {
                error = -EINVAL;
        }
        read_unlock(&tasklist_lock);
@@ -308,13 +308,13 @@ int posix_cpu_clock_get(const clockid_t which_clock, struct timespec *tp)
                p = find_task_by_pid(pid);
                if (p) {
                        if (CPUCLOCK_PERTHREAD(which_clock)) {
-                               if (p->tgid == current->tgid) {
+                               if (same_thread_group(p, current)) {
                                        error = cpu_clock_sample(which_clock,
                                                                 p, &rtn);
                                }
                        } else {
                                read_lock(&tasklist_lock);
-                               if (p->tgid == pid && p->signal) {
+                               if (thread_group_leader(p) && p->signal) {
                                        error =
                                            cpu_clock_sample_group(which_clock,
                                                                   p, &rtn);
@@ -355,7 +355,7 @@ int posix_cpu_timer_create(struct k_itimer *new_timer)
                        p = current;
                } else {
                        p = find_task_by_pid(pid);
-                       if (p && p->tgid != current->tgid)
+                       if (p && !same_thread_group(p, current))
                                p = NULL;
                }
        } else {
@@ -363,7 +363,7 @@ int posix_cpu_timer_create(struct k_itimer *new_timer)
                        p = current->group_leader;
                } else {
                        p = find_task_by_pid(pid);
-                       if (p && p->tgid != pid)
+                       if (p && !thread_group_leader(p))
                                p = NULL;
                }
        }