Forbid user to change file flags on quota files

[powerpc.git] / fs / jfs / ioctl.c

diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c
index 3c8663b..dfda12a 100644 (file)
--- a/fs/jfs/ioctl.c
+++ b/fs/jfs/ioctl.c
@@ -79,6 +79,9 @@ int jfs_ioctl(struct inode * inode, struct file * filp, unsigned int cmd,
                if (!S_ISDIR(inode->i_mode))
                        flags &= ~JFS_DIRSYNC_FL;
 
+               /* Is it quota file? Do not allow user to mess with it */
+               if (IS_NOQUOTA(inode))
+                       return -EPERM;
                jfs_get_inode_flags(jfs_inode);
                oldflags = jfs_inode->mode2;