On Fri, Aug 26, 2022 at 11:56:14AM +0200, Jack Wang wrote: > dma_map_sg return 0 on error, in case of error set > EIO as return code. > > Cc: Jason Gunthorpe <jgg@xxxxxxxx> > Cc: Leon Romanovsky <leon@xxxxxxxxxx> > Cc: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> > Cc: Kees Cook <keescook@xxxxxxxxxxxx> > Cc: "Håkon Bugge" <haakon.bugge@xxxxxxxxxx> > Cc: linux-rdma@xxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > Fixes: 56483ec1b702 ("[PATCH] IB uverbs: add mthca user doorbell record support") > Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxx> > Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> > --- > drivers/infiniband/hw/mthca/mthca_memfree.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) Same answer as was here https://lore.kernel.org/all/YwIbI3ktmEiLsy6s@unreal Thanks