From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Thu, 14 Apr 2016 09:36:16 +0000 Subject: [patch] leds: tca6507: silence an uninitialized variable warning Message-Id: <20160414093616.GH16549@mwanda> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Richard Purdie Cc: Jacek Anaszewski , linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org If choose_times() returns -EINVAL that means "c1" and "c2" haven't been initialized. I've added a check for that. Signed-off-by: Dan Carpenter diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c index c548ea1..45222a7 100644 --- a/drivers/leds/leds-tca6507.c +++ b/drivers/leds/leds-tca6507.c @@ -327,6 +327,8 @@ static void set_times(struct tca6507_chip *tca, int bank) int result; result = choose_times(tca->bank[bank].ontime, &c1, &c2); + if (result < 0) + return; dev_dbg(&tca->client->dev, "Chose on times %d(%d) %d(%d) for %dms\n", c1, time_codes[c1],