Re: [PATCH 2/2] RDMA: dma-mapping: Return an unsigned int from ib_dma_map_sg{,_attrs}

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On Sun, Aug 28, 2022 at 1:09 PM Leon Romanovsky <leon@xxxxxxxxxx> wrote:
>
> On Fri, Aug 26, 2022 at 11:56:15AM +0200, Jack Wang wrote:
> > Following 2a047e0662ae ("dma-mapping: return an unsigned int from dma_map_sg{,_attrs}")
> > change the return value of ib_dma_map_sg{,attrs} to unsigned int.
> >
> > Cc: Jason Gunthorpe <jgg@xxxxxxxx>
> > Cc: Leon Romanovsky <leon@xxxxxxxxxx>
> > Cc: Christoph Hellwig <hch@xxxxxx>
> > Cc: linux-rdma@xxxxxxxxxxxxxxx
> > Cc: linux-kernel@xxxxxxxxxxxxxxx
> >
> > Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxx>
> > ---
> >  drivers/infiniband/core/device.c | 2 +-
> >  include/rdma/ib_verbs.h          | 6 +++---
> >  2 files changed, 4 insertions(+), 4 deletions(-)
>
> You forgot to change ib_dma_map_sgtable_attrs() and various
> ib_dma_map_sg*() callers.
No, they are different.
ib_dma_map_sgtable_attrs and dma_map_sgtable return negative on errors.
>
> Thanks
Thanks!



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