From 8ec40353d4b1aacb9158755f3e82a8a9ee7df59c Mon Sep 17 00:00:00 2001 From: Ajit Khaparde Date: Tue, 24 Oct 2017 16:19:49 -0500 Subject: [PATCH] net/bnxt: fix a potential null pointer dereference Coverity issue: 195046 Fixes: f7ecea911ec5 ("net/bnxt: fix interrupt handler") Cc: stable@dpdk.org Signed-off-by: Ajit Khaparde --- 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 79a119623a..49436cfd9c 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; -- 2.20.1