mtd: nand: mxc_nand: Check the return value from clk_prepare_enable()

clk_prepare_enable() may fail, so let's check its return value and propagate it
in the case of error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index a4bad1165c2a..7a4e032f6c7c 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -1511,7 +1511,9 @@ static int mxcnd_probe(struct platform_device *pdev)
         if (err)
                 return err;
 
-        clk_prepare_enable(host->clk);
+        err = clk_prepare_enable(host->clk);
+        if (err)
+                return err;
         host->clk_act = 1;
 
         /*