On Tue, Sep 24, 2024 at 12:16:03PM +0000, Michael Margolin wrote: > The GUID is received in big-endian so align types accordingly to avoid > compiler warnings. > > Closes: https://lore.kernel.org/oe-kbuild-all/202409032113.bvyVfsNp-lkp@xxxxxxxxx/ > > Fixes: 04e36fd27a2a ("RDMA/efa: Add support for node guid") > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Reviewed-by: Yehuda Yitschak <yehuday@xxxxxxxxxx> > Reviewed-by: Yonatan Nachum <ynachum@xxxxxxxxxx> > Signed-off-by: Michael Margolin <mrgolin@xxxxxxxxxx> > --- > drivers/infiniband/hw/efa/efa_com_cmd.c | 2 +- > drivers/infiniband/hw/efa/efa_com_cmd.h | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.c b/drivers/infiniband/hw/efa/efa_com_cmd.c > index 5a774925cdea..5754da4e6ff8 100644 > --- a/drivers/infiniband/hw/efa/efa_com_cmd.c > +++ b/drivers/infiniband/hw/efa/efa_com_cmd.c > @@ -465,7 +465,7 @@ int efa_com_get_device_attr(struct efa_com_dev *edev, > result->db_bar = resp.u.device_attr.db_bar; > result->max_rdma_size = resp.u.device_attr.max_rdma_size; > result->device_caps = resp.u.device_attr.device_caps; > - result->guid = resp.u.device_attr.guid; > + result->guid = (__force __be64)resp.u.device_attr.guid; That can't be right, use the proper conversion function, or the proper type.. Jason