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 <fabio.estevam@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/mxc-scc.c b/drivers/crypto/mxc-scc.c
index ff383ef..ee4be1b0 100644
--- a/drivers/crypto/mxc-scc.c
+++ b/drivers/crypto/mxc-scc.c
@@ -668,7 +668,9 @@
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);