From: Fabio Estevam <[email protected]>

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 <[email protected]>
---
 drivers/input/keyboard/imx_keypad.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/input/keyboard/imx_keypad.c 
b/drivers/input/keyboard/imx_keypad.c
index 03c8cc5..99d3360 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -512,7 +512,9 @@ static int imx_keypad_probe(struct platform_device *pdev)
        input_set_drvdata(input_dev, keypad);
 
        /* Ensure that the keypad will stay dormant until opened */
-       clk_prepare_enable(keypad->clk);
+       error = clk_prepare_enable(keypad->clk);
+       if (error)
+               return error;
        imx_keypad_inhibit(keypad);
        clk_disable_unprepare(keypad->clk);
 
-- 
1.8.1.2

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