media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic

[pandora-kernel.git] / drivers / of / fdt.c

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index fd85fa2..a84c03c 100644 (file)
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -388,6 +388,10 @@ static void __unflatten_device_tree(struct boot_param_header *blob,
        /* Allocate memory for the expanded device tree */
        mem = (unsigned long)
                dt_alloc(size + 4, __alignof__(struct device_node));
+       if (!mem)
+               return;
+
+       memset((void *)mem, 0, size);
 
        ((__be32 *)mem)[size / 4] = cpu_to_be32(0xdeadbeef);