Merge pull request #2755 from Guozhanxin/sensor_fix

[sensor] Fixed error with mutex_lock take and release not matching.

1 files changed, 5 insertions, 0 deletions

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;
     }