[dpdk-stable] patch 'net/bnxt: fix a potential null pointer dereference' has been queued to stable release 17.08.1
Yuanhan Liu
yliu at fridaylinux.org
Tue Nov 21 14:18:22 CET 2017
Hi,
FYI, your patch has been queued to stable release 17.08.1
Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 11/24/17. So please
shout if anyone has objections.
Thanks.
--yliu
---
>From 02a05f0af5c90f2b917e42c139134da7977b983e 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 79a1196..49436cf 100644
--- a/drivers/net/bnxt/bnxt_irq.c
+++ b/drivers/net/bnxt/bnxt_irq.c
@@ -50,10 +50,14 @@ static void bnxt_int_handler(void *param)
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;
--
2.7.4
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