On Mon, Mar 22, 2021 at 10:44:29AM +0800, Weihang Li wrote:
> It's incorrect to cast the type of pointer to xrcdn from (u32 *) to
> (unsigned long *), then pass it into hns_roce_bitmap_alloc(), this will
> lead to a memory corruption.
>
> Fixes: 32548870d438 ("RDMA/hns: Add support for XRC on HIP09")
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Weihang Li <liweihang@xxxxxxxxxx>
> ---
> Changes since v1:
> - xrcdn won't be set if hns_roce_bitmap_alloc() fails.
> - Link: https://patchwork.kernel.org/project/linux-rdma/patch/1616143536-24874-1-git-send-email-liweihang@xxxxxxxxxx/
>
> drivers/infiniband/hw/hns/hns_roce_pd.c | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
Thanks,
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
