[PATCH] HID: intel_ish-hid: use list_move_tail in ishtp_cl_read_start

[Geliang Tang]

Use list_move() instead of list_del() + list_add_tail() to simplify
the code.

Signed-off-by: Geliang Tang <geliangt...@gmail.com>
---
 drivers/hid/intel-ish-hid/ishtp/client.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/hid/intel-ish-hid/ishtp/client.c 
b/drivers/hid/intel-ish-hid/ishtp/client.c
index aad6132..0979e04 100644
--- a/drivers/hid/intel-ish-hid/ishtp/client.c
+++ b/drivers/hid/intel-ish-hid/ishtp/client.c
@@ -497,12 +497,8 @@ int ishtp_cl_read_start(struct ishtp_cl *cl)
 out:
        /* if ishtp_hbm_cl_flow_control_req failed, return rb to free list */
        if (rets && rb) {
-               spin_lock_irqsave(&dev->read_list_spinlock, dev_flags);
-               list_del(&rb->list);
-               spin_unlock_irqrestore(&dev->read_list_spinlock, dev_flags);
-
                spin_lock_irqsave(&cl->free_list_spinlock, flags);
-               list_add_tail(&rb->list, &cl->free_rb_list.list);
+               list_move_tail(&rb->list, &cl->free_rb_list.list);
                spin_unlock_irqrestore(&cl->free_list_spinlock, flags);
        }
        return rets;
-- 
2.9.3