[PATCH] usb: gadget: aspeed: Remove redundant null check before clk_disable_unprepare

[Xu Wang]

Because clk_disable_unprepare() already checked NULL clock parameter,
so the additional check is unnecessary, just remove it.

Signed-off-by: Xu Wang <vu...@iscas.ac.cn>
---
 drivers/usb/gadget/udc/aspeed-vhub/core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/udc/aspeed-vhub/core.c 
b/drivers/usb/gadget/udc/aspeed-vhub/core.c
index be7bb64e3594..ea47f4b98de9 100644
--- a/drivers/usb/gadget/udc/aspeed-vhub/core.c
+++ b/drivers/usb/gadget/udc/aspeed-vhub/core.c
@@ -282,8 +282,7 @@ static int ast_vhub_remove(struct platform_device *pdev)
               VHUB_CTRL_PHY_RESET_DIS,
               vhub->regs + AST_VHUB_CTRL);
 
-       if (vhub->clk)
-               clk_disable_unprepare(vhub->clk);
+       clk_disable_unprepare(vhub->clk);
 
        spin_unlock_irqrestore(&vhub->lock, flags);
 
-- 
2.17.1