diff --git a/drivers/ddk/io/create.c b/drivers/ddk/io/create.c
index 69c73fde2c..23141de7a4 100644
--- a/drivers/ddk/io/create.c
+++ b/drivers/ddk/io/create.c
@@ -2,11 +2,13 @@
 
 int create_file(const char *path)
 {
-    int err=0;
-    ksys70_t k;
-    k.p00 = 2;
-    k.p12 = 0;
-    k.p20 = 0;
-    k.p21 = path;
+    int err;
+    ksys70_t  k;
+    k.p00   = 2;
+    k.p04dw = 0;
+    k.p08dw = 0;
+    k.p12   = 0;
+    k.p20   = 0;
+    k.p21   = path;
     return FS_Service(&k, &err);
 };
diff --git a/drivers/ddk/io/finfo.c b/drivers/ddk/io/finfo.c
index 68dd2b4abf..5370af65d0 100644
--- a/drivers/ddk/io/finfo.c
+++ b/drivers/ddk/io/finfo.c
@@ -57,12 +57,14 @@ typedef struct
 
 int get_fileinfo(const char *path, FILEINFO *info)
 {
-   ksys70_t k;
-   int err;
-   k.p00 = 5;
-   k.bdfe = info;
-   k.p20 = 0;
-   k.p21 = path;
+    int err;
+    ksys70_t  k;
+    k.p00   = 5;
+    k.p04dw = 0;
+    k.p08dw = 0;
+    k.p12   = 0;
+    k.bdfe  = info;
+    k.p20   = 0;
+    k.p21   = path;
    return FS_Service(&k, &err);
 }
-
diff --git a/drivers/ddk/io/ssize.c b/drivers/ddk/io/ssize.c
index ac95a8334b..8b2afe2d34 100644
--- a/drivers/ddk/io/ssize.c
+++ b/drivers/ddk/io/ssize.c
@@ -2,9 +2,9 @@
 
 int set_file_size(const char *path, unsigned size)
 {
-     ksys70_t k;
+     ksys70_t  k;
      int err;
-     k.p00 = 4;
+     k.p00   = 4;
      k.p04dw = size;
      k.p08dw = 0;
      k.p20   = 0;
diff --git a/drivers/ddk/io/write.c b/drivers/ddk/io/write.c
index 726acfc203..b486a9a118 100644
--- a/drivers/ddk/io/write.c
+++ b/drivers/ddk/io/write.c
@@ -10,11 +10,5 @@ int write_file(const char *path,const void *buff,
     k.cbuf16 = buff;
     k.p20 = 0;
     k.p21 = path;
-    int status;
-    unsigned bytes_written_v;
-    FS_Service(&k, &bytes_written_v);
-    if (!status){
-        *writes = bytes_written_v;
-    }
-    return status;
+    return FS_Service(&k, writes);
 }