Re: [PATCH 33/33] Staging: android: ion: ion.c: Compression of lines for
From: Joe Perches
Date: Fri Jul 29 2016 - 17:14:36 EST
On Fri, 2016-07-29 at 14:06 -0700, Nadim almas wrote:
> 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:
[]
> diff --git 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);
> }
int ret; is now unused.
Please make sure you compile the files modified by any script
and remove any newly introduced warnings.
> 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);