staging: msm: tvenc: fix error handling

Driver init() function should return error code.
Also fix tvenc_clk leak.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/msm/tvenc.c

@@ -279,12 +279,13 @@ static int __init tvenc_driver_init(void)
 
 	if (IS_ERR(tvenc_clk)) {
 		printk(KERN_ERR "error: can't get tvenc_clk!\n");
-		return IS_ERR(tvenc_clk);
+		return PTR_ERR(tvenc_clk);
 	}
 
 	if (IS_ERR(tvdac_clk)) {
 		printk(KERN_ERR "error: can't get tvdac_clk!\n");
-		return IS_ERR(tvdac_clk);
+		clk_put(tvenc_clk);
+		return PTR_ERR(tvdac_clk);
 	}
 
 //	pm_qos_add_requirement(PM_QOS_SYSTEM_BUS_FREQ , "tvenc",