usb: xhci-mtk: fix ptr_ret.cocci warnings
authorkbuild test robot <fengguang.wu@intel.com>
Tue, 24 Oct 2017 16:33:18 +0000 (00:33 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 25 Oct 2017 06:54:33 +0000 (08:54 +0200)
commitc929d84735bff4349bde809a5a8eb1996bf371f6
treec6c09a9f7b2bcc25e07bdee7f27a2a94d5fa5c27
parent2d5afd51fe6b469e09d8d63fff041cbf4a987278
usb: xhci-mtk: fix ptr_ret.cocci warnings

drivers/usb/host/xhci-mtk.c:256:1-3: WARNING: PTR_ERR_OR_ZERO can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: b6bb72cf0df1 ("usb: xhci-mtk: add optional mcu and dma bus clocks")
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-mtk.c