dma-buf: Adjust a null pointer check in dma_buf_attach()

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@users.sourceforge.net>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
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 9887d72cf804e4efc0dd97108e88de55cb5f06f8..4a038dcf53612c888cf55ec3668871964b8f8001 100644 (file)
--- 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;