[dpdk-dev] [PATCH v2 10/15] net/bnxt: fix a potential null pointer dereference

[Ajit Khaparde]

Fixes: 5ef3b79fdfe6 ("net/bnxt: support flow filter ops")
Coverity issue: 195017

Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
 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 af9ed9a62..65d30fb38 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;
-- 
2.13.5 (Apple Git-94)