[PATCH 2/4] dma-buf: Improve a size determination in dma_buf_attach()

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From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 8 May 2017 10:50:09 +0200

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/dma-buf/dma-buf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 53257c166f4d..9887d72cf804 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -558,7 +558,7 @@ struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
 	if (WARN_ON(!dmabuf || !dev))
 		return ERR_PTR(-EINVAL);
 
-	attach = kzalloc(sizeof(struct dma_buf_attachment), GFP_KERNEL);
+	attach = kzalloc(sizeof(*attach), GFP_KERNEL);
 	if (attach == NULL)
 		return ERR_PTR(-ENOMEM);
 
-- 
2.12.2

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