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authorDave Airlie <airlied@redhat.com>2020-03-11 07:27:21 +1000
committerDave Airlie <airlied@redhat.com>2020-03-11 07:27:21 +1000
commitd3bd37f587b4438d47751d0f1d5aaae3d39bd416 (patch)
tree9414a8fd1ca74c47fe1a3966e0a22469ac0b73a3 /ipc/sem.c
parent60347451ddb0646c1a9cc5b9581e5bcf648ad1aa (diff)
parent2c523b344dfa65a3738e7039832044aa133c75fb (diff)
downloadlinux-d3bd37f587b4438d47751d0f1d5aaae3d39bd416.tar.gz
Merge v5.6-rc5 into drm-next
Requested my mripard for some misc patches that need this as a base. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'ipc/sem.c')
-rw-r--r--ipc/sem.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/ipc/sem.c b/ipc/sem.c
index 4f4303f32077..3687b71151b3 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -2384,11 +2384,9 @@ void exit_sem(struct task_struct *tsk)
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);
+ spin_unlock(&ulp->lock);
/* perform adjustments registered in un */
for (i = 0; i < sma->sem_nsems; i++) {