exit_notify: fix kill_orphaned_pgrp() usage with mt exit
[sfrench/cifs-2.6.git] / kernel / exit.c
index 41c1edace97a34fc44d5725ed4544ad07bf33dd5..cd20bf07e9e3b7bb2260c4a5939642c9e4bcb0a5 100644 (file)
@@ -750,7 +750,7 @@ static void forget_original_parent(struct task_struct *father)
  * Send signals to all our closest relatives so that they know
  * to properly mourn us..
  */
  * Send signals to all our closest relatives so that they know
  * to properly mourn us..
  */
-static void exit_notify(struct task_struct *tsk)
+static void exit_notify(struct task_struct *tsk, int group_dead)
 {
        int state;
 
 {
        int state;
 
@@ -766,7 +766,8 @@ static void exit_notify(struct task_struct *tsk)
        exit_task_namespaces(tsk);
 
        write_lock_irq(&tasklist_lock);
        exit_task_namespaces(tsk);
 
        write_lock_irq(&tasklist_lock);
-       kill_orphaned_pgrp(tsk, NULL);
+       if (group_dead)
+               kill_orphaned_pgrp(tsk->group_leader, NULL);
 
        /* Let father know we died
         *
 
        /* Let father know we died
         *
@@ -981,7 +982,7 @@ NORET_TYPE void do_exit(long code)
                module_put(tsk->binfmt->module);
 
        proc_exit_connector(tsk);
                module_put(tsk->binfmt->module);
 
        proc_exit_connector(tsk);
-       exit_notify(tsk);
+       exit_notify(tsk, group_dead);
 #ifdef CONFIG_NUMA
        mpol_free(tsk->mempolicy);
        tsk->mempolicy = NULL;
 #ifdef CONFIG_NUMA
        mpol_free(tsk->mempolicy);
        tsk->mempolicy = NULL;