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Subject[PATCH net-next] net: ethernet: dwmac: remove redundant null check before clk_disable_unprepare()
Date
Because clk_prepare_enable() and clk_disable_unprepare() already checked
NULL clock parameter, so the additional checks are unnecessary, just
remove them.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
index 3c5df5e..efef547 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
@@ -129,8 +129,7 @@ static void imx_dwmac_exit(struct platform_device *pdev, void *priv)
{
struct imx_priv_data *dwmac = priv;

- if (dwmac->clk_tx)
- clk_disable_unprepare(dwmac->clk_tx);
+ clk_disable_unprepare(dwmac->clk_tx);
clk_disable_unprepare(dwmac->clk_mem);
}

--
2.9.5
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