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crypto: mxc-scc - check clk_prepare_enable() error

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clk_prepare_enable() may fail, so we should better check its return
value and propagate it in the case of failure.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Fabio Estevam 2016-08-21 23:37:27 -03:00 committed by Herbert Xu
parent 161040fc1c
commit 59df87c349
1 changed files with 3 additions and 1 deletions
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4
drivers/crypto/mxc-scc.c
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@ -668,7 +668,9 @@ static int mxc_scc_probe(struct platform_device *pdev)
return PTR_ERR(scc->clk);
}
clk_prepare_enable(scc->clk);
ret = clk_prepare_enable(scc->clk);
if (ret)
return ret;
/* clear error status register */
writel(0x0, scc->base + SCC_SCM_ERROR_STATUS);