Free HDQ clocks in error path

ARM: OMAP3: Free HDQ clocks when a read is tried with no battery connected

Signed-off-by: Madhusudhan Chikkature<madhu.cr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/w1/masters/omap_hdq.c

@@ -515,8 +515,11 @@ static u8 omap_w1_read_byte(void *data)
 	int ret;
 
 	ret = hdq_read_byte(&val);
-	if (ret)
+	if (ret) {
+		init_trans = 0;
+		omap_hdq_put();
 		return -1;
+	}
 
 	/* Write followed by a read, release the module */
 	if (init_trans) {