staging: media: atomisp: compress return logic

Simplify function returns by merging assignment and return.
Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c

@@ -519,9 +519,7 @@ int atomisp_runtime_suspend(struct device *dev)
 	if (ret)
 		return ret;
 	pm_qos_update_request(&isp->pm_qos, PM_QOS_DEFAULT_VALUE);
-	ret = atomisp_mrfld_power_down(isp);
-
-	return ret;
+	return atomisp_mrfld_power_down(isp);
 }
 
 int atomisp_runtime_resume(struct device *dev)
@@ -587,9 +585,7 @@ static int atomisp_suspend(struct device *dev)
 		return ret;
 	}
 	pm_qos_update_request(&isp->pm_qos, PM_QOS_DEFAULT_VALUE);
-	ret = atomisp_mrfld_power_down(isp);
-
-	return ret;
+	return atomisp_mrfld_power_down(isp);
 }
 
 static int atomisp_resume(struct device *dev)

drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/src/bufq.c

@@ -440,7 +440,7 @@ enum ia_css_err ia_css_bufq_enqueue_psys_event(
 enum  ia_css_err ia_css_bufq_dequeue_psys_event(
 	uint8_t item[BUFQ_EVENT_SIZE])
 {
-	enum ia_css_err return_err;
+	enum ia_css_err;
 	int error = 0;
 	ia_css_queue_t *q;
 
@@ -457,8 +457,7 @@ enum  ia_css_err ia_css_bufq_dequeue_psys_event(
 	}
 	error = ia_css_eventq_recv(q, item);
 
-	return_err = ia_css_convert_errno(error);
-	return return_err;
+	return ia_css_convert_errno(error);
 
 }
 
@@ -466,7 +465,7 @@ enum  ia_css_err ia_css_bufq_dequeue_isys_event(
 	uint8_t item[BUFQ_EVENT_SIZE])
 {
 #if !defined(HAS_NO_INPUT_SYSTEM)
-	enum ia_css_err return_err;
+	enum ia_css_err;
 	int error = 0;
 	ia_css_queue_t *q;
 
@@ -482,8 +481,7 @@ enum  ia_css_err ia_css_bufq_dequeue_isys_event(
 		return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE;
 	}
 	error = ia_css_eventq_recv(q, item);
-	return_err = ia_css_convert_errno(error);
-	return return_err;
+	return ia_css_convert_errno(error);
 #else
 	(void)item;
 	return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE;