RDMA/rxe: Fix incorrect TASKLET_STATE_SCHED check in rxe_task.c

In a previous patch TASKLET_STATE_SCHED was used as a mask but it is a bit
position instead. Add the missing shift.

Link: https://lore.kernel.org/r/20230329193308.7489-1-rpearsonhpe@gmail.com
Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/linux-rdma/8a054b78-6d50-4bc6-8d8a-83f85fbdb82f@kili.mountain/
Fixes: d946716 ("RDMA/rxe: Rewrite rxe_task.c")
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

Author: rpearsonhpe-design

drivers/infiniband/sw/rxe/rxe_task.c

@@ -21,7 +21,7 @@ static bool __reserve_if_idle(struct rxe_task *task)
 {
 	WARN_ON(rxe_read(task->qp) <= 0);
 
-	if (task->tasklet.state & TASKLET_STATE_SCHED)
+	if (task->tasklet.state & BIT(TASKLET_STATE_SCHED))
 		return false;
 
 	if (task->state == TASK_STATE_IDLE) {
@@ -46,7 +46,7 @@ static bool __reserve_if_idle(struct rxe_task *task)
  */
 static bool __is_done(struct rxe_task *task)
 {
-	if (task->tasklet.state & TASKLET_STATE_SCHED)
+	if (task->tasklet.state & BIT(TASKLET_STATE_SCHED))
 		return false;
 
 	if (task->state == TASK_STATE_IDLE ||