[media] s5p-cec: Fix memory allocation failure check

It is likely that checking the result of the memory allocation just above
is expected here.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/staging/media/s5p-cec/s5p_cec.c

@@ -173,7 +173,7 @@ static int s5p_cec_probe(struct platform_device *pdev)
 	int ret;
 
 	cec = devm_kzalloc(&pdev->dev, sizeof(*cec), GFP_KERNEL);
-	if (!dev)
+	if (!cec)
 		return -ENOMEM;
 
 	cec->dev = dev;