From 90cdc91c12563019340c10f32dc0b35b39e5821f Mon Sep 17 00:00:00 2001 From: Ajit Khaparde Date: Tue, 24 Oct 2017 16:19:48 -0500 Subject: [PATCH] net/bnxt: fix a potential null pointer dereference Coverity issue: 195017 Fixes: 5ef3b79fdfe6 ("net/bnxt: support flow filter ops") Signed-off-by: Ajit Khaparde --- drivers/net/bnxt/bnxt_filter.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/bnxt/bnxt_filter.c b/drivers/net/bnxt/bnxt_filter.c index af9ed9a623..65d30fb38f 100644 --- a/drivers/net/bnxt/bnxt_filter.c +++ b/drivers/net/bnxt/bnxt_filter.c @@ -793,6 +793,8 @@ bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf, //This flow needs DST MAC which is not same as port/l2 RTE_LOG(DEBUG, PMD, "Create L2 filter for DST MAC\n"); filter1 = bnxt_get_unused_filter(bp); + if (filter1 == NULL) + return NULL; filter1->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX; filter1->enables = HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR | L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK; -- 2.20.1