Em Thu, Feb 28, 2019 at 08:50:35PM +0300, Dan Carpenter escreveu:
> The "ref_type_id" variable needs to be signed for the error handling
> to work.
Does the infiniband signedness change comes as a bonus? :-)
- Arnaldo
> Fixes: d5caef5b5655 ("btf: add BTF types deduplication algorithm")
> Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
> Acked-by: Andrii Nakryiko <andr...@fb.com>
> ---
> v2: Use reverse Christmas tree style
>
> This goes through the BPF tree probably, although it does apply to
> net-next.
>
> drivers/infiniband/ulp/iser/iscsi_iser.h | 2 +-
> tools/lib/bpf/btf.c | 3 ++-
> 2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h
> b/drivers/infiniband/ulp/iser/iscsi_iser.h
> index 120b40829560..ee7d3f6a666e 100644
> --- a/drivers/infiniband/ulp/iser/iscsi_iser.h
> +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
> @@ -197,7 +197,7 @@ struct iser_data_buf {
> struct scatterlist *sg;
> int size;
> unsigned long data_len;
> - unsigned int dma_nents;
> + int dma_nents;
> };
>
> /* fwd declarations */
> diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c
> index 68b50e9bbde1..00a2f06e38fd 100644
> --- a/tools/lib/bpf/btf.c
> +++ b/tools/lib/bpf/btf.c
> @@ -2326,7 +2326,8 @@ static int btf_dedup_ref_type(struct btf_dedup *d,
> __u32 type_id)
> struct btf_type *t, *cand;
> /* if we don't find equivalent type, then we are representative type */
> __u32 new_id = type_id;
> - __u32 h, ref_type_id;
> + int ref_type_id;
> + __u32 h;
>
> if (d->map[type_id] == BTF_IN_PROGRESS_ID)
> return -ELOOP;
> --
> 2.17.1
--
- Arnaldo
