Merge 5.3-rc5 into char-misc-next

We need the char/misc fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 15 insertions, 20 deletions

diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index ec4370f99381..af5bbb35c058 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -2026,7 +2026,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_SUBSCRIBE_EVENT)(
 			event_sub->eventfd =
 				eventfd_ctx_fdget(redirect_fd);
 
-			if (IS_ERR(event_sub)) {
+			if (IS_ERR(event_sub->eventfd)) {
 				err = PTR_ERR(event_sub->eventfd);
 				event_sub->eventfd = NULL;
 				goto err;
@@ -2644,12 +2644,13 @@ static int devx_async_event_close(struct inode *inode, struct file *filp)
 	struct devx_async_event_file *ev_file = filp->private_data;
 	struct devx_event_subscription *event_sub, *event_sub_tmp;
 	struct devx_async_event_data *entry, *tmp;
+	struct mlx5_ib_dev *dev = ev_file->dev;
 
-	mutex_lock(&ev_file->dev->devx_event_table.event_xa_lock);
+	mutex_lock(&dev->devx_event_table.event_xa_lock);
 	/* delete the subscriptions which are related to this FD */
 	list_for_each_entry_safe(event_sub, event_sub_tmp,
 				 &ev_file->subscribed_events_list, file_list) {
-		devx_cleanup_subscription(ev_file->dev, event_sub);
+		devx_cleanup_subscription(dev, event_sub);
 		if (event_sub->eventfd)
 			eventfd_ctx_put(event_sub->eventfd);
 
@@ -2658,7 +2659,7 @@ static int devx_async_event_close(struct inode *inode, struct file *filp)
 		kfree_rcu(event_sub, rcu);
 	}
 
-	mutex_unlock(&ev_file->dev->devx_event_table.event_xa_lock);
+	mutex_unlock(&dev->devx_event_table.event_xa_lock);
 
 	/* free the pending events allocation */
 	if (!ev_file->omit_data) {
@@ -2670,7 +2671,7 @@ static int devx_async_event_close(struct inode *inode, struct file *filp)
 	}
 
 	uverbs_close_fd(filp);
-	put_device(&ev_file->dev->ib_dev.dev);
+	put_device(&dev->ib_dev.dev);
 	return 0;
 }
 
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index 81da82050d05..1d257d1b3b0d 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -579,7 +579,6 @@ static int pagefault_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr,
 			u32 flags)
 {
 	int npages = 0, current_seq, page_shift, ret, np;
-	bool implicit = false;
 	struct ib_umem_odp *odp_mr = to_ib_umem_odp(mr->umem);
 	bool downgrade = flags & MLX5_PF_FLAGS_DOWNGRADE;
 	bool prefetch = flags & MLX5_PF_FLAGS_PREFETCH;
@@ -594,7 +593,6 @@ static int pagefault_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr,
 		if (IS_ERR(odp))
 			return PTR_ERR(odp);
 		mr = odp->private;
-		implicit = true;
 	} else {
 		odp = odp_mr;
 	}
@@ -682,19 +680,15 @@ next_mr:
 
 out:
 	if (ret == -EAGAIN) {
-		if (implicit || !odp->dying) {
-			unsigned long timeout =
-				msecs_to_jiffies(MMU_NOTIFIER_TIMEOUT);
-
-			if (!wait_for_completion_timeout(
-					&odp->notifier_completion,
-					timeout)) {
-				mlx5_ib_warn(dev, "timeout waiting for mmu notifier. seq %d against %d. notifiers_count=%d\n",
-					     current_seq, odp->notifiers_seq, odp->notifiers_count);
-			}
-		} else {
-			/* The MR is being killed, kill the QP as well. */
-			ret = -EFAULT;
+		unsigned long timeout = msecs_to_jiffies(MMU_NOTIFIER_TIMEOUT);
+
+		if (!wait_for_completion_timeout(&odp->notifier_completion,
+						 timeout)) {
+			mlx5_ib_warn(
+				dev,
+				"timeout waiting for mmu notifier. seq %d against %d. notifiers_count=%d\n",
+				current_seq, odp->notifiers_seq,
+				odp->notifiers_count);
 		}
 	}