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-rw-r--r--fs/ext2/ioctl.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index c2324d5fe4ac..320b2cb3d4d2 100644
--- a/fs/ext2/ioctl.c
+++ b/fs/ext2/ioctl.c
@@ -47,6 +47,11 @@ int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
flags &= ~EXT2_DIRSYNC_FL;
mutex_lock(&inode->i_mutex);
+ /* Is it quota file? Do not allow user to mess with it */
+ if (IS_NOQUOTA(inode)) {
+ mutex_unlock(&inode->i_mutex);
+ return -EPERM;
+ }
oldflags = ei->i_flags;
/*