308-3.10-02-control.patch

The API to create proc entries now takes the file ops structure directly, instead of being set after the fact
Using new __getname/__putname API
--- a/vmblock-only/linux/control.c	2015-02-07 03:11:55.000000000 +0300
+++ c/vmblock-only/linux/control.c	2015-02-24 03:58:06.038605919 +0300
@@ -208,9 +208,11 @@
    VMBlockSetProcEntryOwner(controlProcMountpoint);
 
    /* Create /proc/fs/vmblock/dev */
-   controlProcEntry = create_proc_entry(VMBLOCK_CONTROL_DEVNAME,
-                                        VMBLOCK_CONTROL_MODE,
-                                        controlProcDirEntry);
+   controlProcEntry = proc_create(VMBLOCK_CONTROL_DEVNAME, 
+				  VMBLOCK_CONTROL_MODE,
+                                  controlProcDirEntry, 
+				  &ControlFileOps);
+
    if (!controlProcEntry) {
       Warning("SetupProcDevice: could not create " VMBLOCK_DEVICE "\n");
       remove_proc_entry(VMBLOCK_CONTROL_MOUNTPOINT, controlProcDirEntry);
@@ -218,7 +220,10 @@
       return -EINVAL;
    }
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
    controlProcEntry->proc_fops = &ControlFileOps;
+#endif
+
    return 0;
 }

@@ -287,18 +287,24 @@ ExecuteBlockOp(const char __user *buf,
    int i;
    int retval;
 
-   name = getname(buf);
+   name = __getname();
    if (IS_ERR(name)) {
       return PTR_ERR(name);
    }
 
+   i = strncpy_from_user(name, buf, PATH_MAX);
+   if (i < 0 || i == PATH_MAX) {
+      __putname(name);
+      return -EINVAL;
+   }
+
    for (i = strlen(name) - 1; i >= 0 && name[i] == '/'; i--) {
       name[i] = '\0';
    }
 
    retval = i < 0 ? -EINVAL : blockOp(name, blocker);
 
-   putname(name);
+   __putname(name);
 
    return retval;
 }