scst_vdisk: Fix kfree() argument in vdev_size_store() error path

The wrong variable is freed in the vdev_size_store() error path.
Pass 'new_size' instead of 'buf' to kfree().

Signed-off-by: Sebastian Parschauer <sebastian.riemer@profitbricks.com>
[ bvanassche: edited patch description ]


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6824 d57e44dd-8a1f-0410-8b47-8ef2f437770f

scst/src/dev_handlers/scst_vdisk.c

@@ -8686,7 +8686,7 @@ out:
 	return res;
 
 out_free:
-	kfree(buf);
+	kfree(new_size);
 	goto out;
 }