From: Timothy McDaniel <timothy.mcdaniel@intel.com>
Date: Mon, 6 Jun 2022 16:03:11 +0000 (-0500)
Subject: event/dlb2: fix check of QID in-flight
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=7767b849ab028db51474dcbd2a51bff3b5f4f81d;p=dpdk.git

event/dlb2: fix check of QID in-flight

If QID inflights is set to an invalid value, it can cause the
PMD to hang.  This commit adds checks to make sure that the
value is valid before programming the hardware.

Fixes: 1857f1922ce2 ("event/dlb2: use new implementation of resource file")
Cc: stable@dpdk.org

Signed-off-by: Timothy McDaniel <timothy.mcdaniel@intel.com>
---

diff --git a/drivers/event/dlb2/pf/base/dlb2_resource.c b/drivers/event/dlb2/pf/base/dlb2_resource.c
index 8c57bdfff7..4011c24aef 100644
--- a/drivers/event/dlb2/pf/base/dlb2_resource.c
+++ b/drivers/event/dlb2/pf/base/dlb2_resource.c
@@ -3728,7 +3728,7 @@ dlb2_verify_create_ldb_queue_args(struct dlb2_hw *hw,
 		}
 	}
 
-	if (args->num_qid_inflights > 4096) {
+	if (args->num_qid_inflights < 1 || args->num_qid_inflights > 2048) {
 		resp->status = DLB2_ST_INVALID_QID_INFLIGHT_ALLOCATION;
 		return -EINVAL;
 	}