mtd: nand: denali: Handle return value of clk_prepare_enable.

clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

diff --git a/drivers/mtd/nand/denali_dt.c b/drivers/mtd/nand/denali_dt.c
index 47f398e..56e2e17 100644 (file)
--- a/drivers/mtd/nand/denali_dt.c
+++ b/drivers/mtd/nand/denali_dt.c
@@ -118,7 +118,9 @@ static int denali_dt_probe(struct platform_device *pdev)
                dev_err(&pdev->dev, "no clk available\n");
                return PTR_ERR(dt->clk);
        }
-       clk_prepare_enable(dt->clk);
+       ret = clk_prepare_enable(dt->clk);
+       if (ret)
+               return ret;
 
        denali->clk_x_rate = clk_get_rate(dt->clk);