diff --git a/[refs] b/[refs]
index 4206b1045bde..47201b593adf 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e2f521e247576c897e1bf0ada801e87c7e2db89f
+refs/heads/master: dfa322fceb15227c07670c415e835d2dfa8a4307
diff --git a/trunk/arch/arm/common/dmabounce.c b/trunk/arch/arm/common/dmabounce.c
index 0077c1b7d7ff..b4a8759e0fa4 100644
--- a/trunk/arch/arm/common/dmabounce.c
+++ b/trunk/arch/arm/common/dmabounce.c
@@ -249,7 +249,7 @@ static inline dma_addr_t map_single(struct device *dev, void *ptr, size_t size,
 		DO_STATS ( device_info->map_op_count++ );
 
 	buf = alloc_safe_buffer(device_info, ptr, size, dir);
-	if (buf == 0) {
+	if (buf == NULL) {
 		dev_err(dev, "%s: unable to map unsafe buffer %p!\n",
 		       __func__, ptr);
 		return ~0;