1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 19ab6ff53d59..2394e9753ef5 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -700,6 +700,7 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus,
                                          phys_addr_t sdramwins_phys_base,
                                          size_t sdramwins_size)
 {
+        struct device_node *np;
         int win;
 
         mbus->mbuswins_base = ioremap(mbuswins_phys_base, mbuswins_size);
@@ -712,8 +713,11 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus,
                 return -ENOMEM;
         }
 
-        if (of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric"))
+        np = of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric");
+        if (np) {
                 mbus->hw_io_coherency = 1;
+                of_node_put(np);
+        }
 
         for (win = 0; win < mbus->soc->num_wins; win++)
                 mvebu_mbus_disable_window(mbus, win);
@@ -861,11 +865,13 @@ static void __init mvebu_mbus_get_pcie_resources(struct device_node *np,
         int ret;
 
         /*
-         * These are optional, so we clear them and they'll
-         * be zero if they are missing from the DT.
+         * These are optional, so we make sure that resource_size(x) will
+         * return 0.
          */
         memset(mem, 0, sizeof(struct resource));
+        mem->end = -1;
         memset(io, 0, sizeof(struct resource));
+        io->end = -1;
 
         ret = of_property_read_u32_array(np, "pcie-mem-aperture", reg, ARRAY_SIZE(reg));
         if (!ret) {