From 59df87c3498a34283baf185ab0396f4742acdee5 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Sun, 21 Aug 2016 23:37:27 -0300 Subject: [PATCH] crypto: mxc-scc - check clk_prepare_enable() error 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 Signed-off-by: Herbert Xu --- drivers/crypto/mxc-scc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/mxc-scc.c b/drivers/crypto/mxc-scc.c index ff383ef83871..ee4be1b0d30b 100644 --- a/drivers/crypto/mxc-scc.c +++ b/drivers/crypto/mxc-scc.c @@ -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);