---

yaml --- r: 374663 b: refs/heads/master c: 9a188eb h: refs/heads/master i: 374661: c912043 374659: f78b8b1 374655: 821bc6a v: v3
git-mirror · Apr 15, 2013 · db90c20 · db90c20
1 parent 070df5d
commit db90c20
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bef29ec508e58bf8b9ec0915de5b0739fb800c91
+refs/heads/master: 9a188eb126aa7bf27077ee46fcb914898d6fc281
diff --git a/trunk/drivers/dma/of-dma.c b/trunk/drivers/dma/of-dma.c
@@ -93,6 +93,7 @@ int of_dma_controller_register(struct device_node *np,
 {
 	struct of_dma	*ofdma;
 	int		nbcells;
+	const __be32	*prop;
 
 	if (!np || !of_dma_xlate) {
 		pr_err("%s: not enough information provided\n", __func__);
@@ -103,8 +104,11 @@ int of_dma_controller_register(struct device_node *np,
 	if (!ofdma)
 		return -ENOMEM;
 
-	nbcells = be32_to_cpup(of_get_property(np, "#dma-cells", NULL));
-	if (!nbcells) {
+	prop = of_get_property(np, "#dma-cells", NULL);
+	if (prop)
+		nbcells = be32_to_cpup(prop);
+
+	if (!prop || !nbcells) {
 		pr_err("%s: #dma-cells property is missing or invalid\n",
 		       __func__);
 		kfree(ofdma);