Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (104 commits)
  IB/iser: Don't change itt endianness
  IB/mlx4: Update module version and release date
  IPoIB: Handle case when P_Key is deleted and re-added at same index
  IB/iser: Release connection resources on RDMA_CM_EVENT_DEVICE_REMOVAL event
  IB/mlx4: Fix incorrect comment
  IB/mlx4: Fix race when detaching a QP from a multicast group
  IB/ehca: Support all ibv_devinfo values in query_device() and query_port()
  RDMA/nes: Free IRQ before killing tasklet
  IB/mthca: Update module version and release date
  IB/mlx4: Update QP state if query QP succeeds
  IB/mthca: Update QP state if query QP succeeds
  RDMA/amso1100: Add check for NULL reply_msg in c2_intr()
  IB/mlx4: Add support for resizing CQs
  IB/mlx4: Add support for modifying CQ moderation parameters
  IPoIB: Support modifying IPoIB CQ event moderation
  IB/core: Add support for modify CQ
  IPoIB: Add basic ethtool support
  mlx4_core: Increase max number of QPs to 128K
  RDMA/amso1100: Add support for "send with invalidate" work requests
  IB/core: Add support for "send with invalidate" work requests
  ...

1 files changed, 11 insertions, 17 deletions

diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 7c2ac3905582..f49f94653a96 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -352,7 +352,7 @@ static int ib_uverbs_event_close(struct inode *inode, struct file *filp)
 	struct ib_uverbs_event *entry, *tmp;
 
 	spin_lock_irq(&file->lock);
-	file->file = NULL;
+	file->is_closed = 1;
 	list_for_each_entry_safe(entry, tmp, &file->event_list, list) {
 		if (entry->counter)
 			list_del(&entry->obj_list);
@@ -390,7 +390,7 @@ void ib_uverbs_comp_handler(struct ib_cq *cq, void *cq_context)
 		return;
 
 	spin_lock_irqsave(&file->lock, flags);
-	if (!file->file) {
+	if (file->is_closed) {
 		spin_unlock_irqrestore(&file->lock, flags);
 		return;
 	}
@@ -423,7 +423,7 @@ static void ib_uverbs_async_handler(struct ib_uverbs_file *file,
 	unsigned long flags;
 
 	spin_lock_irqsave(&file->async_file->lock, flags);
-	if (!file->async_file->file) {
+	if (!file->async_file->is_closed) {
 		spin_unlock_irqrestore(&file->async_file->lock, flags);
 		return;
 	}
@@ -509,6 +509,7 @@ struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file,
 	ev_file->uverbs_file = uverbs_file;
 	ev_file->async_queue = NULL;
 	ev_file->is_async    = is_async;
+	ev_file->is_closed   = 0;
 
 	*fd = get_unused_fd();
 	if (*fd < 0) {
@@ -516,25 +517,18 @@ struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file,
 		goto err;
 	}
 
-	filp = get_empty_filp();
-	if (!filp) {
-		ret = -ENFILE;
-		goto err_fd;
-	}
-
-	ev_file->file      = filp;
-
 	/*
 	 * fops_get() can't fail here, because we're coming from a
 	 * system call on a uverbs file, which will already have a
 	 * module reference.
 	 */
-	filp->f_op 	   = fops_get(&uverbs_event_fops);
-	filp->f_path.mnt 	   = mntget(uverbs_event_mnt);
-	filp->f_path.dentry 	   = dget(uverbs_event_mnt->mnt_root);
-	filp->f_mapping    = filp->f_path.dentry->d_inode->i_mapping;
-	filp->f_flags      = O_RDONLY;
-	filp->f_mode       = FMODE_READ;
+	filp = alloc_file(uverbs_event_mnt, dget(uverbs_event_mnt->mnt_root),
+			  FMODE_READ, fops_get(&uverbs_event_fops));
+	if (!filp) {
+		ret = -ENFILE;
+		goto err_fd;
+	}
+
 	filp->private_data = ev_file;
 
 	return filp;