From 8c46d9a86a7b577bba73ab912f94c46cb872f2bc Mon Sep 17 00:00:00 2001
From: Ralph Metzler <rjkm@metzlerbros.de>
Date: Tue, 11 Jul 2017 20:20:39 +0200
Subject: [PATCH] change pointer check order

---
 ddbridge/ddbridge-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ddbridge/ddbridge-core.c b/ddbridge/ddbridge-core.c
index 2a7f886..1e5206c 100644
--- a/ddbridge/ddbridge-core.c
+++ b/ddbridge/ddbridge-core.c
@@ -498,9 +498,9 @@ static int ddb_redirect(u32 i, u32 p)
 	struct ddb *pdev = ddbs[(p >> 4) & 0x3f];
 	struct ddb_port *port;
 
-	if (!idev->has_dma || !pdev->has_dma)
+	if (!pdev || !idev)
 		return -EINVAL;
-	if (!idev || !pdev)
+	if (!pdev->has_dma || !idev->has_dma)
 		return -EINVAL;
 
 	port = &pdev->port[p & 0x0f];