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serial: mxs-auart: Use PTR_ERR_OR_ZERO() to simplify the code 

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

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

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2016-09-10 12:22:17 +00:00 committed by Greg Kroah-Hartman
parent 5d7519dfc9
commit 0d2665b6bc
1 changed files with 1 additions and 4 deletions
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5
drivers/tty/serial/mxs-auart.c
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@ -1510,10 +1510,7 @@ static int mxs_get_clks(struct mxs_auart_port *s,
if (!is_asm9260_auart(s)) {
s->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(s->clk))
return PTR_ERR(s->clk);
return 0;
return PTR_ERR_OR_ZERO(s->clk);
}
s->clk = devm_clk_get(s->dev, "mod");