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-rw-r--r--fs/reiserfs/ioctl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index c438a8f83f26..e0f0f098a523 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -57,6 +57,9 @@ int reiserfs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
if (get_user(flags, (int __user *)arg))
return -EFAULT;
+ /* Is it quota file? Do not allow user to mess with it. */
+ if (IS_NOQUOTA(inode))
+ return -EPERM;
if (((flags ^ REISERFS_I(inode)->
i_attrs) & (REISERFS_IMMUTABLE_FL |
REISERFS_APPEND_FL))