dma-buf: Minor coding style fixes

- WARNING: Missing a blank line after declarations
- WARNING: line over 80 characters
- WARNING: please, no space before tabs

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 63a9914..155c146 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -287,6 +287,7 @@
 	struct reservation_object *resv = exp_info->resv;
 	struct file *file;
 	size_t alloc_size = sizeof(struct dma_buf);
+
 	if (!exp_info->resv)
 		alloc_size += sizeof(struct reservation_object);
 	else
@@ -553,7 +554,8 @@
 		return -EINVAL;
 
 	if (dmabuf->ops->begin_cpu_access)
-		ret = dmabuf->ops->begin_cpu_access(dmabuf, start, len, direction);
+		ret = dmabuf->ops->begin_cpu_access(dmabuf, start,
+							len, direction);
 
 	return ret;
 }
@@ -657,7 +659,7 @@
  * @dmabuf:	[in]	buffer that should back the vma
  * @vma:	[in]	vma for the mmap
  * @pgoff:	[in]	offset in pages where this mmap should start within the
- * 			dma-buf buffer.
+ *			dma-buf buffer.
  *
  * This function adjusts the passed in vma so that it points at the file of the
  * dma_buf operation. It also adjusts the starting pgoff and does bounds
@@ -834,6 +836,7 @@
 static int dma_buf_show(struct seq_file *s, void *unused)
 {
 	void (*func)(struct seq_file *) = s->private;
+
 	func(s);
 	return 0;
 }
@@ -855,7 +858,9 @@
 static int dma_buf_init_debugfs(void)
 {
 	int err = 0;
+
 	dma_buf_debugfs_dir = debugfs_create_dir("dma_buf", NULL);
+
 	if (IS_ERR(dma_buf_debugfs_dir)) {
 		err = PTR_ERR(dma_buf_debugfs_dir);
 		dma_buf_debugfs_dir = NULL;