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Diffstat (limited to 'drivers/vhost/vhost.c')
-rw-r--r--drivers/vhost/vhost.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index ae66278e4dcf..385d8ee0d2d1 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -405,7 +405,7 @@ long vhost_dev_reset_owner(struct vhost_dev *dev)
405 if (!memory) 405 if (!memory)
406 return -ENOMEM; 406 return -ENOMEM;
407 407
408 vhost_dev_cleanup(dev); 408 vhost_dev_cleanup(dev, true);
409 409
410 memory->nregions = 0; 410 memory->nregions = 0;
411 RCU_INIT_POINTER(dev->memory, memory); 411 RCU_INIT_POINTER(dev->memory, memory);
@@ -436,8 +436,8 @@ int vhost_zerocopy_signal_used(struct vhost_virtqueue *vq)
436 return j; 436 return j;
437} 437}
438 438
439/* Caller should have device mutex */ 439/* Caller should have device mutex if and only if locked is set */
440void vhost_dev_cleanup(struct vhost_dev *dev) 440void vhost_dev_cleanup(struct vhost_dev *dev, bool locked)
441{ 441{
442 int i; 442 int i;
443 443
@@ -474,7 +474,8 @@ void vhost_dev_cleanup(struct vhost_dev *dev)
474 dev->log_file = NULL; 474 dev->log_file = NULL;
475 /* No one will access memory at this point */ 475 /* No one will access memory at this point */
476 kfree(rcu_dereference_protected(dev->memory, 476 kfree(rcu_dereference_protected(dev->memory,
477 lockdep_is_held(&dev->mutex))); 477 locked ==
478 lockdep_is_held(&dev->mutex)));
478 RCU_INIT_POINTER(dev->memory, NULL); 479 RCU_INIT_POINTER(dev->memory, NULL);
479 WARN_ON(!list_empty(&dev->work_list)); 480 WARN_ON(!list_empty(&dev->work_list));
480 if (dev->worker) { 481 if (dev->worker) {