RDMA/uverbs: Declare closing variable as boolean

The "closing" variable is used as boolean and set to "true" in one
place, update the declaration of that variable and their other
assignment to proper type.

Fixes: e951747a087a ("IB/uverbs: Rework the locking for cleaning up the ucontext")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/core/uverbs_cmd.c

@@ -120,7 +120,7 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
 	rcu_read_lock();
 	ucontext->tgid = get_task_pid(current->group_leader, PIDTYPE_PID);
 	rcu_read_unlock();
-	ucontext->closing = 0;
+	ucontext->closing = false;
 	ucontext->cleanup_retryable = false;
 
 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING

include/rdma/ib_verbs.h

@@ -1486,7 +1486,7 @@ struct ib_ucontext {
 	 * it is set when we are closing the file descriptor and indicates
 	 * that mm_sem may be locked.
 	 */
-	int			closing;
+	bool closing;
 
 	bool cleanup_retryable;