linux-kernel - [linux-next PATCH] staging: android: ion: fix void function return statements

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Date:	Thu, 24 Jul 2014 02:30:17 +0800
From:	WANG Chao <wangchao19890207@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	John Stultz <john.stultz@...aro.org>,
	Rebecca Schultz Zavin <rebecca@...roid.com>,
	Colin Cross <ccross@...roid.com>,
	Mitchel Humpherys <mitchelh@...eaurora.org>,
	Laura Abbott <lauraa@...eaurora.org>,
	Gioh Kim <gioh.kim@....com>,
	Benjamin Gaignard <benjamin.gaignard@...aro.org>,
	Arve Hjønnevåg <arve@...roid.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Wei Yongjun <yongjun_wei@...ndmicro.com.cn>,
	Tomas Winkler <tomas.winkler@...el.com>,
	Chen Gang <gang.chen.5i5j@...il.com>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	Heesub Shin <heesub.shin@...sung.com>,
	devel@...verdev.osuosl.org (open list:STAGING SUBSYSTEM),
	linux-kernel@...r.kernel.org (open list)
Subject: [linux-next PATCH] staging: android: ion: fix void function return statements

Fix checkpatch warning of void function return statements, found under
drivers/staging/android/ion.

Signed-off-by: WANG Chao <wangchao19890207@...il.com>
---
 drivers/staging/android/ion/ion.c               | 1 -
 drivers/staging/android/ion/ion_carveout_heap.c | 1 -
 drivers/staging/android/ion/ion_chunk_heap.c    | 1 -
 drivers/staging/android/ion/ion_dummy_driver.c  | 2 --
 drivers/staging/android/ion/ion_system_heap.c   | 1 -
 5 files changed, 6 deletions(-)

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index cad76ae..56604f4 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -1057,7 +1057,6 @@ static void *ion_dma_buf_kmap(struct dma_buf *dmabuf, unsigned long offset)
 static void ion_dma_buf_kunmap(struct dma_buf *dmabuf, unsigned long offset,
 			       void *ptr)
 {
-	return;
 }
 
 static int ion_dma_buf_begin_cpu_access(struct dma_buf *dmabuf, size_t start,
diff --git a/drivers/staging/android/ion/ion_carveout_heap.c b/drivers/staging/android/ion/ion_carveout_heap.c
index dcb6f21..9156d82 100644
--- a/drivers/staging/android/ion/ion_carveout_heap.c
+++ b/drivers/staging/android/ion/ion_carveout_heap.c
@@ -133,7 +133,6 @@ static struct sg_table *ion_carveout_heap_map_dma(struct ion_heap *heap,
 static void ion_carveout_heap_unmap_dma(struct ion_heap *heap,
 					struct ion_buffer *buffer)
 {
-	return;
 }
 
 static struct ion_heap_ops carveout_heap_ops = {
diff --git a/drivers/staging/android/ion/ion_chunk_heap.c b/drivers/staging/android/ion/ion_chunk_heap.c
index 9c3e49a..3e6ec2e 100644
--- a/drivers/staging/android/ion/ion_chunk_heap.c
+++ b/drivers/staging/android/ion/ion_chunk_heap.c
@@ -126,7 +126,6 @@ static struct sg_table *ion_chunk_heap_map_dma(struct ion_heap *heap,
 static void ion_chunk_heap_unmap_dma(struct ion_heap *heap,
 				     struct ion_buffer *buffer)
 {
-	return;
 }
 
 static struct ion_heap_ops chunk_heap_ops = {
diff --git a/drivers/staging/android/ion/ion_dummy_driver.c b/drivers/staging/android/ion/ion_dummy_driver.c
index 6d0a38a..f3ea1c3 100644
--- a/drivers/staging/android/ion/ion_dummy_driver.c
+++ b/drivers/staging/android/ion/ion_dummy_driver.c
@@ -152,7 +152,5 @@ static void __exit ion_dummy_exit(void)
 				dummy_heaps[ION_HEAP_TYPE_CHUNK].size);
 		chunk_ptr = NULL;
 	}
-
-	return;
 }
 __exitcall(ion_dummy_exit);
diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c
index 6b77c51..da2a63c 100644
--- a/drivers/staging/android/ion/ion_system_heap.c
+++ b/drivers/staging/android/ion/ion_system_heap.c
@@ -205,7 +205,6 @@ static struct sg_table *ion_system_heap_map_dma(struct ion_heap *heap,
 static void ion_system_heap_unmap_dma(struct ion_heap *heap,
 				      struct ion_buffer *buffer)
 {
-	return;
 }
 
 static int ion_system_heap_shrink(struct ion_heap *heap, gfp_t gfp_mask,
-- 
1.9.3

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