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>

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index a4bad1165c2a08657aa037363924e7ed23a8f0f9..7a4e032f6c7cb17c0b7514fc7d2b3f8d49198e8d 100644 (file)
--- 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;
 
        /*