[Patch V2 3/3] staging: android: ion: Fix coding style

[Phong Tran]

This patch fix checkpatch.pl warning
- Remove the return of void function
Tested by compilation.

Signed-off-by: Phong Tran <tranmanph...@gmail.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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