litmus: fix compiler warning in sched_plugin.h

This patch fixes the compiler warning about struct litmus_locking
being defined in the parameter list when CONFIG_LITMUS_LOCKING is
not set.

Signed-off-by: Manohar Vanga <mvanga@mpi-sws.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/litmus/sched_plugin.h b/include/litmus/sched_plugin.h
index 6e7cabdddae..1546ab7f1d6 100644
--- a/include/litmus/sched_plugin.h
+++ b/include/litmus/sched_plugin.h
@@ -53,10 +53,12 @@ typedef void (*task_block_t)  (struct task_struct *task);
  */
 typedef void (*task_exit_t)    (struct task_struct *);
 
+#ifdef CONFIG_LITMUS_LOCKING
 /* Called when the current task attempts to create a new lock of a given
  * protocol type. */
 typedef long (*allocate_lock_t) (struct litmus_lock **lock, int type,
                                  void* __user config);
+#endif
 
 
 /********************* sys call backends  ********************/