1 files changed, 1 insertions, 2 deletions

diff --git a/kernel/sys.c b/kernel/sys.c
index 449b81b98b3d..1b33b05d346b 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1442,7 +1442,6 @@ asmlinkage long sys_times(struct tms __user * tbuf)
  * Auch. Had to add the 'did_exec' flag to conform completely to POSIX.
  * LBT 04.03.94
  */
-
 asmlinkage long sys_setpgid(pid_t pid, pid_t pgid)
 {
         struct task_struct *p;
@@ -1470,7 +1469,7 @@ asmlinkage long sys_setpgid(pid_t pid, pid_t pgid)
         if (!thread_group_leader(p))
                 goto out;
 
-        if (p->real_parent == group_leader) {
+        if (p->real_parent->tgid == group_leader->tgid) {
                 err = -EPERM;
                 if (task_session(p) != task_session(group_leader))
                         goto out;