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-rw-r--r--fs/ext4/ioctl.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index c04c7ccba9e3..e7f894bdb420 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -51,6 +51,11 @@ int ext4_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
51 flags &= ~EXT4_DIRSYNC_FL; 51 flags &= ~EXT4_DIRSYNC_FL;
52 52
53 mutex_lock(&inode->i_mutex); 53 mutex_lock(&inode->i_mutex);
54 /* Is it quota file? Do not allow user to mess with it */
55 if (IS_NOQUOTA(inode)) {
56 mutex_unlock(&inode->i_mutex);
57 return -EPERM;
58 }
54 oldflags = ei->i_flags; 59 oldflags = ei->i_flags;
55 60
56 /* The JOURNAL_DATA flag is modifiable only by root */ 61 /* The JOURNAL_DATA flag is modifiable only by root */