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-rw-r--r--fs/jfs/ioctl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c
index 3c8663b..dfda12a 100644
--- 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;