From 8ade4fff2e9d3d2966a6312314079cbc51a87dcb Mon Sep 17 00:00:00 2001
From: guozhanxin <guozhanxin@rt-thread.com>
Date: Thu, 6 Jun 2019 16:07:41 +0800
Subject: [PATCH] =?UTF-8?q?[sensor]=20Fixed=20error=20with=20mutex=5Flock?=
 =?UTF-8?q?=20take=20and=20release=20not=20matching.|=20=E4=BF=AE=E5=A4=8D?=
 =?UTF-8?q?=E9=94=81=E7=9A=84=E8=8E=B7=E5=8F=96=E5=92=8C=E9=87=8A=E6=94=BE?=
 =?UTF-8?q?=E4=B8=8D=E5=AF=B9=E5=BA=94=E7=9A=84=E9=94=99=E8=AF=AF.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 components/drivers/sensors/sensor.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/components/drivers/sensors/sensor.c b/components/drivers/sensors/sensor.c
index 620d3b1d0a..dba20f6555 100644
--- a/components/drivers/sensors/sensor.c
+++ b/components/drivers/sensors/sensor.c
@@ -195,6 +195,11 @@ static rt_err_t rt_sensor_open(rt_device_t dev, rt_uint16_t oflag)
     }
     else
     {
+        if (sensor->module)
+        {
+            /* release the module mutex */
+            rt_mutex_release(sensor->module->lock);
+        }
         return -RT_EINVAL;
     }