[PATCH] crypto: mxc-scc - check clk_prepare_enable() error
From: Fabio Estevam <festevam@gmail.com>
Date: 2016-08-22 02:38:06
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
From: Fabio Estevam <redacted> 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 <redacted> --- 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 ff383ef..ee4be1b0 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);
--
1.9.1