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| author | Wenpeng Liang <liangwenpeng@huawei.com> | 2019-11-01 10:33:30 +0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-11-06 13:37:02 -0400 |
| commit | 411c1e6774e2e1f96b1ccce4f119376b94ade3e4 (patch) | |
| tree | 32ca9bbf98c42d0f15996251d1a2768ba244ab5a | |
| parent | 531eb45b3da4267fc2a64233ba256c8ffb02edd2 (diff) | |
| download | linux-411c1e6774e2e1f96b1ccce4f119376b94ade3e4.tar.bz2 | |
RDMA/hns: Correct the value of srq_desc_size
srq_desc_size should be rounded up to pow of two before used, or related
calculation may cause allocating wrong size of memory for srq buffer.
Fixes: c7bcb13442e1 ("RDMA/hns: Add SRQ support for hip08 kernel mode")
Link: https://lore.kernel.org/r/1572575610-52530-3-git-send-email-liweihang@hisilicon.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_srq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c index 9591457eb768..43ea2c13b212 100644 --- a/drivers/infiniband/hw/hns/hns_roce_srq.c +++ b/drivers/infiniband/hw/hns/hns_roce_srq.c @@ -376,7 +376,7 @@ int hns_roce_create_srq(struct ib_srq *ib_srq, srq->max = roundup_pow_of_two(srq_init_attr->attr.max_wr + 1); srq->max_gs = srq_init_attr->attr.max_sge; - srq_desc_size = max(16, 16 * srq->max_gs); + srq_desc_size = roundup_pow_of_two(max(16, 16 * srq->max_gs)); srq->wqe_shift = ilog2(srq_desc_size); |