[dpdk-stable] patch 'net/bnxt: fix a potential null pointer dereference' has been queued to LTS release 16.11.4
luca.boccassi at gmail.com
luca.boccassi at gmail.com
Thu Nov 2 13:02:44 CET 2017
Hi,
FYI, your patch has been queued to LTS release 16.11.4
Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 11/04/17. So please
shout if anyone has objections.
Thanks.
Kind regards,
Luca Boccassi
---
>From 67335de26faa652432d7b6fb5d0b51782aad9316 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajit.khaparde at broadcom.com>
Date: Tue, 24 Oct 2017 16:19:49 -0500
Subject: [PATCH] net/bnxt: fix a potential null pointer dereference
[ upstream commit 8ec40353d4b1aacb9158755f3e82a8a9ee7df59c ]
Coverity issue: 195046
Fixes: f7ecea911ec5 ("net/bnxt: fix interrupt handler")
Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
drivers/net/bnxt/bnxt_irq.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/bnxt/bnxt_irq.c b/drivers/net/bnxt/bnxt_irq.c
index 7e1482782..851f39caa 100644
--- a/drivers/net/bnxt/bnxt_irq.c
+++ b/drivers/net/bnxt/bnxt_irq.c
@@ -51,10 +51,14 @@ static void bnxt_int_handler(struct rte_intr_handle *handle __rte_unused,
struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
- uint32_t raw_cons = cpr->cp_raw_cons;
- uint32_t cons;
struct cmpl_base *cmp;
+ uint32_t raw_cons;
+ uint32_t cons;
+ if (cpr == NULL)
+ return;
+
+ raw_cons = cpr->cp_raw_cons;
while (1) {
if (!cpr || !cpr->cp_ring_struct)
return;
--
2.11.0
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