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pgtable: add pmd_index() fallback
[platform/kernel/linux-rpi.git]
/
ipc
/
sem.c
diff --git
a/ipc/sem.c
b/ipc/sem.c
index
ec97a70
..
fe12ea8
100644
(file)
--- a/
ipc/sem.c
+++ b/
ipc/sem.c
@@
-2368,11
+2368,9
@@
void exit_sem(struct task_struct *tsk)
ipc_assert_locked_object(&sma->sem_perm);
list_del(&un->list_id);
ipc_assert_locked_object(&sma->sem_perm);
list_del(&un->list_id);
- /* we are the last process using this ulp, acquiring ulp->lock
- * isn't required. Besides that, we are also protected against
- * IPC_RMID as we hold sma->sem_perm lock now
- */
+ spin_lock(&ulp->lock);
list_del_rcu(&un->list_proc);
list_del_rcu(&un->list_proc);
+ spin_unlock(&ulp->lock);
/* perform adjustments registered in un */
for (i = 0; i < sma->sem_nsems; i++) {
/* perform adjustments registered in un */
for (i = 0; i < sma->sem_nsems; i++) {