diff options
| author | kbuild test robot <fengguang.wu@intel.com> | 2017-10-25 00:33:18 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-25 08:54:33 +0200 |
| commit | c929d84735bff4349bde809a5a8eb1996bf371f6 (patch) | |
| tree | c6c09a9f7b2bcc25e07bdee7f27a2a94d5fa5c27 /drivers/usb/host | |
| parent | 2d5afd51fe6b469e09d8d63fff041cbf4a987278 (diff) | |
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>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/xhci-mtk.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index e5caabe7eebe..19d27ce31fdc 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -253,10 +253,7 @@ static int xhci_mtk_clks_get(struct xhci_hcd_mtk *mtk) return PTR_ERR(mtk->mcu_clk); mtk->dma_clk = optional_clk_get(dev, "dma_ck"); - if (IS_ERR(mtk->dma_clk)) - return PTR_ERR(mtk->dma_clk); - - return 0; + return PTR_ERR_OR_ZERO(mtk->dma_clk); } static int xhci_mtk_clks_enable(struct xhci_hcd_mtk *mtk) |