On Tue, 2021-02-02 at 08:47 +0300, Dan Carpenter wrote: > The "req" pointer is an error pointer and not NULL so this check needs > to be fixed. > > Fixes: 1cf7fdf52d5a ("ceph: convert readpage to fscache read helper") > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > --- > fs/ceph/addr.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c > index 5eec6f66fe52..fb0238a4d34f 100644 > --- a/fs/ceph/addr.c > +++ b/fs/ceph/addr.c > @@ -273,7 +273,7 @@ static void ceph_netfs_issue_op(struct netfs_read_subrequest *subreq) > if (err) > iput(inode); > out: > - if (req) > + if (!IS_ERR_OR_NULL(req)) > ceph_osdc_put_request(req); > if (err) > netfs_subreq_terminated(subreq, err); Good catch. David, could you take this into your fscache-next branch? Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>