From: Junxian Huang <huangjunxian6@hisilicon.com> driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/ICJYA1 ---------------------------------------------------------------------- Add check between dca_min_size and dca_max_size to ensure dca_min_size <= dca_max_size. Fixes: 12aa71f83089 ("RDMA/hns: Add DCA support for kernel space") Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com> Signed-off-by: Donghua Huang <huangdonghua3@h-partners.com> --- drivers/infiniband/hw/hns/hns_roce_dca.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_dca.c b/drivers/infiniband/hw/hns/hns_roce_dca.c index dcf560513205..6d9f1ac5754f 100644 --- a/drivers/infiniband/hw/hns/hns_roce_dca.c +++ b/drivers/infiniband/hw/hns/hns_roce_dca.c @@ -1142,7 +1142,7 @@ static void load_kdca_param(struct hns_roce_dca_ctx *ctx) else ctx->max_size = roundup(dca_max_size, unit_size); - if (dca_min_size == DCA_MAX_MEM_SIZE) + if (dca_min_size == DCA_MAX_MEM_SIZE || dca_min_size > dca_max_size) ctx->min_size = ctx->max_size; else ctx->min_size = roundup(dca_min_size, unit_size); -- 2.33.0