On Wed, Sep 23, 2015 at 4:27 AM, Kinglong Mee <kinglongmee@xxxxxxxxx> wrote: > I find the inode returned from nfs_igrab_and_active is NULL > in _nfs4_proc_delegreturn(), > > data->inode = nfs_igrab_and_active(inode); > > So that, NFS_I(inode) causes the panic. I've added a check for ino == NULL to nfs4_wait_on_layoutreturn()... Cheers Trond -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html