Re: [PATCH 1/2] infiniband/mthca: Fix dma_map_sg error check

[Leon Romanovsky]

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