(diskfs_S_file_set_translator): Validate rdev change before making it.

1 files changed, 7 insertions, 0 deletions

diff --git a/libdiskfs/file-set-trans.c b/libdiskfs/file-set-trans.c
index c2edec87..4042cbce 100644
--- a/libdiskfs/file-set-trans.c
+++ b/libdiskfs/file-set-trans.c
@@ -159,6 +159,13 @@ diskfs_S_file_set_translator (struct protid *cred,
 		    }
 		  minor = strtol (arg, 0, 0);
 
+		  error = diskfs_validate_rdev_change (np, 
+						       makedev (major, minor));
+		  if (error)
+		    {
+		      mutex_unlock (&np->lock);
+		      return error;
+		    }
 		  np->dn_stat.st_rdev = makedev (major, minor);
 		}