From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> Date: Mon, 8 May 2017 10:54:17 +0200 The script "checkpatch.pl" pointed information out like the following. Comparison to NULL could be written "!attach" Thus adjust this expression. 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 9887d72cf804..4a038dcf5361 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -559,7 +559,7 @@ struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf, return ERR_PTR(-EINVAL); attach = kzalloc(sizeof(*attach), GFP_KERNEL); - if (attach == NULL) + if (!attach) return ERR_PTR(-ENOMEM); attach->dev = dev; -- 2.12.2