[PATCH 03/10] staging: ks7010: avoid one level indentation in devio_rec_ind function

Sergio Paracuellos sergio.paracuellos at gmail.com
Mon Apr 16 10:29:25 UTC 2018


This commit changes logic to handle with the status of the device
at first checking for close state to return directly instead
of just do the stuff when device is open. This improves readability
avoiding one level indentation.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos at gmail.com>
---
 drivers/staging/ks7010/ks_hostif.c | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/ks7010/ks_hostif.c b/drivers/staging/ks7010/ks_hostif.c
index 995cb9a..ceec638 100644
--- a/drivers/staging/ks7010/ks_hostif.c
+++ b/drivers/staging/ks7010/ks_hostif.c
@@ -1569,24 +1569,25 @@ void hostif_mic_failure_request(struct ks_wlan_private *priv,
 static void devio_rec_ind(struct ks_wlan_private *priv, unsigned char *p,
 			  unsigned int size)
 {
-	if (priv->is_device_open) {
-		spin_lock(&priv->dev_read_lock);	/* request spin lock */
-		priv->dev_data[atomic_read(&priv->rec_count)] = p;
-		priv->dev_size[atomic_read(&priv->rec_count)] = size;
-
-		if (atomic_read(&priv->event_count) != DEVICE_STOCK_COUNT) {
-			/* rx event count inc */
-			atomic_inc(&priv->event_count);
-		}
-		atomic_inc(&priv->rec_count);
-		if (atomic_read(&priv->rec_count) == DEVICE_STOCK_COUNT)
-			atomic_set(&priv->rec_count, 0);
+	if (!priv->is_device_open)
+		return;
 
-		wake_up_interruptible_all(&priv->devread_wait);
+	spin_lock(&priv->dev_read_lock);	/* request spin lock */
+	priv->dev_data[atomic_read(&priv->rec_count)] = p;
+	priv->dev_size[atomic_read(&priv->rec_count)] = size;
 
-		/* release spin lock */
-		spin_unlock(&priv->dev_read_lock);
+	if (atomic_read(&priv->event_count) != DEVICE_STOCK_COUNT) {
+		/* rx event count inc */
+		atomic_inc(&priv->event_count);
 	}
+	atomic_inc(&priv->rec_count);
+	if (atomic_read(&priv->rec_count) == DEVICE_STOCK_COUNT)
+		atomic_set(&priv->rec_count, 0);
+
+	wake_up_interruptible_all(&priv->devread_wait);
+
+	/* release spin lock */
+	spin_unlock(&priv->dev_read_lock);
 }
 
 void hostif_receive(struct ks_wlan_private *priv, unsigned char *p,
-- 
2.7.4



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