X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fext2%2Fioctl.c;h=320b2cb3d4d22eddf610d7a27d043eeef0437d5e;hb=13f14b4d8be225cbb11ff2be7c048590a9ccf87b;hp=c2324d5fe4ac149a5672bad13134d4775c815100;hpb=fe2520094d88018423dfc42b3cd0015f74e8adea;p=linux-2.6

diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index c2324d5fe4..320b2cb3d4 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;
 
 		/*