btrfs-progs: convert: use fixed lenght array for source fs name

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/convert/source-fs.h b/convert/source-fs.h
index d074ead..3ee429a 100644 (file)
--- a/convert/source-fs.h
+++ b/convert/source-fs.h
@@ -31,8 +31,10 @@ struct task_ctx {
 
 struct btrfs_convert_context;
 
+#define SOURCE_FS_NAME_LEN     (16)
+
 struct btrfs_convert_operations {
-       const char *name;
+       const char name[SOURCE_FS_NAME_LEN];
        int (*open_fs)(struct btrfs_convert_context *cctx, const char *devname);
        int (*read_used_space)(struct btrfs_convert_context *cctx);
        int (*copy_inodes)(struct btrfs_convert_context *cctx,