media: staging: media: imx: imx7-media-csi: Drop error message on alloc failure

The kernel memory allocators already complain loudly to the log when
allocation fails. There's no need for an additional message.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/imx/imx7-media-csi.c

@@ -442,10 +442,8 @@ static int imx7_csi_alloc_dma_buf(struct imx7_csi *csi,
 	buf->len = PAGE_ALIGN(size);
 	buf->virt = dma_alloc_coherent(csi->dev, buf->len, &buf->phys,
 				       GFP_DMA | GFP_KERNEL);
-	if (!buf->virt) {
-		dev_err(csi->dev, "%s: failed\n", __func__);
+	if (!buf->virt)
 		return -ENOMEM;
-	}
 
 	return 0;
 }