drivers/leds/leds-lp5521.c: ret may be uninitialized

Fix it by assigning the lp5521_read return value.
Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Cc: Milo(Woogyom) Kim <milo.kim@ti.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Arun MURTHY <arun.murthy@stericsson.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/leds/leds-lp5521.c

@@ -784,7 +784,7 @@ static int __devinit lp5521_probe(struct i2c_client *client,
 	 * otherwise further access to the R G B channels in the
 	 * LP5521_REG_ENABLE register will not have any effect - strange!
 	 */
-	lp5521_read(client, LP5521_REG_R_CURRENT, &buf);
+	ret = lp5521_read(client, LP5521_REG_R_CURRENT, &buf);
 	if (buf != LP5521_REG_R_CURR_DEFAULT) {
 		dev_err(&client->dev, "error in resetting chip\n");
 		goto fail2;