linux-kernel - [PATCH 33/33] Staging: android: ion: ion.c: Compression of lines for

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Message-Id: <1469877168-7864-1-git-send-email-nadim.902@gmail.com>
Date:	Sat, 30 Jul 2016 04:12:48 -0700
From:	Nadim almas <nadim.902@...il.com>
To:	labbott@...hat.com
Cc:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	devel@...verdev.osuosl.org, Nadim almas <nadim.902@...il.com>
Subject: [PATCH 33/33] Staging: android: ion: ion.c: Compression of lines for

This patch compresses two lines in to a single line in file rtw_android.c
if immediate return statement is found. It also removes variable 
bytes_written as it is no longer needed.

It is done using script Coccinelle. And coccinelle uses following semantic
patch for this compression function:


@@
expression e, ret;
@@

-ret =
+return
     e;
-return ret;

Signed-off-by: Nadim Almas <nadim.902@...il.com>
---
 drivers/staging/android/ion/ion.c          | 8 +++-----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index 52345df..271395b 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -391,9 +391,7 @@ static int ion_handle_put_nolock(struct ion_handle *handle)
 {
-	int ret;
 
-	ret = kref_put(&handle->ref, ion_handle_destroy);
-
-	return ret;
+	return kref_put(&handle->ref, ion_handle_destroy);
 }
 
 static int ion_handle_put(struct ion_handle *handle)
@@ -597,8 +595,8 @@ int ion_phys(struct ion_client *client, struct ion_handle *handle,
 		return -ENODEV;
 	}
 	mutex_unlock(&client->lock);
-	ret = buffer->heap->ops->phys(buffer->heap, buffer, addr, len);
-	return ret;
+	return buffer->heap->ops->phys(buffer->heap, buffer, addr, len);
 }
 EXPORT_SYMBOL(ion_phys);