imsm: FIX: core dump during imsm metadata writing

[thirdparty/mdadm.git] / super-ddf.c

diff --git a/super-ddf.c b/super-ddf.c
index 7a368d7cb6dbd8db2d655a6950c2ea81751df7ed..8ef766b7b0b17079f87735173c95a467007bf3cb 100644 (file)
--- a/super-ddf.c
+++ b/super-ddf.c
@@ -850,7 +850,6 @@ static int load_super_ddf(struct supertype *st, int fd,
                st->minor_version = 0;
                st->max_devs = 512;
        }
-       st->loaded_container = 0;
        return 0;
 
 }
@@ -2875,9 +2874,8 @@ static int load_super_ddf_all(struct supertype *st, int fd,
                st->ss = &super_ddf;
                st->minor_version = 0;
                st->max_devs = 512;
-               st->container_dev = fd2devnum(fd);
        }
-       st->loaded_container = 1;
+       st->container_dev = fd2devnum(fd);
        return 0;
 }
 
@@ -3645,6 +3643,15 @@ static int ddf_level_to_layout(int level)
        }
 }
 
+static void default_geometry_ddf(struct supertype *st, int *level, int *layout, int *chunk)
+{
+       if (level && *level == UnSet)
+               *level = LEVEL_CONTAINER;
+
+       if (level && layout && *layout == UnSet)
+               *layout = ddf_level_to_layout(*level);
+}
+
 struct superswitch super_ddf = {
 #ifndef        MDASSEMBLE
        .examine_super  = examine_super_ddf,
@@ -3673,7 +3680,7 @@ struct superswitch super_ddf = {
        .free_super     = free_super_ddf,
        .match_metadata_desc = match_metadata_desc_ddf,
        .container_content = container_content_ddf,
-       .default_layout = ddf_level_to_layout,
+       .default_geometry = default_geometry_ddf,
 
        .external       = 1,