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From: Timothy McDaniel <timothy.mcdaniel@intel.com>
Cc: dev@dpdk.org, erik.g.carrillo@intel.com, gage.eads@intel.com,
	harry.van.haaren@intel.com, jerinj@marvell.com,
	thomas@monjalon.net
Subject: [dpdk-dev] [PATCH] event/dlb: fix potential NULL dereference
Date: Mon, 16 Nov 2020 11:40:38 -0600	[thread overview]
Message-ID: <1605548439-31240-1-git-send-email-timothy.mcdaniel@intel.com> (raw)

Add NULL check before using t->mbuf_pool.

Coverity issue: 363719
Fixes: 83326 ("event/dlb: add PMD self-tests")

Signed-off-by: Timothy McDaniel <timothy.mcdaniel@intel.com>
---
 drivers/event/dlb/dlb_selftest.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/event/dlb/dlb_selftest.c b/drivers/event/dlb/dlb_selftest.c
index b9ef778c1..8ab00ba87 100644
--- a/drivers/event/dlb/dlb_selftest.c
+++ b/drivers/event/dlb/dlb_selftest.c
@@ -202,7 +202,12 @@ test_stop_flush(struct test *t) /* test to check we can properly flush events */
 		goto err;
 	}
 
-	count = rte_mempool_avail_count(t->mbuf_pool);
+	if (t->mbuf_pool)
+		count = rte_mempool_avail_count(t->mbuf_pool);
+	else {
+		printf("%d: mbuf_pool is NULL\n", __LINE__);
+		goto err;
+	}
 
 	if (rte_event_port_attr_get(evdev,
 				    0,
-- 
2.23.0


             reply	other threads:[~2020-11-16 17:39 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-16 17:40 Timothy McDaniel [this message]
2020-11-20 10:03 ` Mcnamara, John
2020-11-20 12:25   ` Jerin Jacob

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