From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755450Ab2BAKid (ORCPT ); Wed, 1 Feb 2012 05:38:33 -0500 Received: from mail-pw0-f46.google.com ([209.85.160.46]:35818 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753277Ab2BAKic (ORCPT ); Wed, 1 Feb 2012 05:38:32 -0500 Message-ID: <1328092698.2326.1.camel@phoenix> Subject: [PATCH] backlight: lp855x_bl: Add missing mutex_unlock in lp855x_read_byte error path From: Axel Lin To: linux-kernel@vger.kernel.org Cc: Richard Purdie , "Milo(Woogyom) Kim" , Andrew Morton Date: Wed, 01 Feb 2012 18:38:18 +0800 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.1- Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Axel Lin --- drivers/video/backlight/lp855x_bl.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index 8f628b8..8bd0d75 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -41,6 +41,7 @@ static int lp855x_read_byte(struct lp855x *lp, u8 reg, u8 *data) mutex_lock(&lp->xfer_lock); ret = i2c_smbus_read_byte_data(lp->client, reg); if (ret < 0) { + mutex_unlock(&lp->xfer_lock); dev_err(lp->dev, "failed to read 0x%.2x\n", reg); return ret; } -- 1.7.5.4