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net: ethernet: dwmac: remove redundant null check before clk_disable_unprepare()

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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>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Zhang Changzhong 2020-09-07 20:46:54 +08:00 committed by Jakub Kicinski
parent 0589120070
commit f3b11449a4
1 changed files with 1 additions and 2 deletions
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3
drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
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@ -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);
}