Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757887AbaJIVL0 (ORCPT ); Thu, 9 Oct 2014 17:11:26 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:59607 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757865AbaJIVLV (ORCPT ); Thu, 9 Oct 2014 17:11:21 -0400 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Srinivas Pandruvada , Jonathan Cameron , Kamal Mostafa Subject: [PATCH 3.13 073/163] iio: hid_sensor_hub: Fix indio_dev->trig assignment Date: Thu, 9 Oct 2014 14:01:38 -0700 Message-Id: <1412888588-26755-74-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412888588-26755-1-git-send-email-kamal@canonical.com> References: <1412888588-26755-1-git-send-email-kamal@canonical.com> X-Extended-Stable: 3.13 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.13.11.9 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Srinivas Pandruvada commit 55a6f9ddfdea0d2d343cd1b39baf8aa752664b6e upstream. This can result in wrong reference count for trigger device, call iio_trigger_get to increment reference. Refer to http://www.spinics.net/lists/linux-iio/msg13669.html for discussion with Jonathan. Signed-off-by: Srinivas Pandruvada Signed-off-by: Jonathan Cameron Signed-off-by: Kamal Mostafa --- drivers/iio/common/hid-sensors/hid-sensor-trigger.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index 7dcf839..1be235b 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -99,7 +99,8 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name, dev_err(&indio_dev->dev, "Trigger Register Failed\n"); goto error_free_trig; } - indio_dev->trig = attrb->trigger = trig; + attrb->trigger = trig; + indio_dev->trig = iio_trigger_get(trig); return ret; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/