drivers/rtc/rtc-imxdi.c: 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index abd7f9091f34..cd741c77e085 100644
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -401,7 +401,9 @@ static int __init dryice_rtc_probe(struct platform_device *pdev)
         imxdi->clk = devm_clk_get(&pdev->dev, NULL);
         if (IS_ERR(imxdi->clk))
                 return PTR_ERR(imxdi->clk);
-        clk_prepare_enable(imxdi->clk);
+        rc = clk_prepare_enable(imxdi->clk);
+        if (rc)
+                return rc;
 
         /*
          * Initialize dryice hardware