X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=fs%2Ffilesystems.c;h=77bf5f95362da5ec767c4919e4271c11120a18ff;hb=cee853e825a9ab64b54bd53f991e98f832c47317;hp=b03f57b1105b34bc5d7438c95f62e2430eb756a1;hpb=08b5fa819970c318e58ab638f497633c25971813;p=linux.git

diff --git a/fs/filesystems.c b/fs/filesystems.c
index b03f57b1105b..77bf5f95362d 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
+#include <linux/fs_parser.h>
 
 /*
  * Handling of filesystem drivers list.
@@ -73,6 +74,10 @@ int register_filesystem(struct file_system_type * fs)
 	int res = 0;
 	struct file_system_type ** p;
 
+	if (fs->parameters &&
+	    !fs_validate_description(fs->name, fs->parameters))
+		return -EINVAL;
+
 	BUG_ON(strchr(fs->name, '.'));
 	if (fs->next)
 		return -EBUSY;