diff mbox

[dpdk-dev,v2,11/15] net/bnxt: fix a potential null poiner dereference

Message ID 20171024211953.12021-12-ajit.khaparde@broadcom.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Ajit Khaparde Oct. 24, 2017, 9:19 p.m. UTC 
  Fixes: f7ecea911ec5 ("net/bnxt: fix interrupt handler")
Coverity issue: 195046

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/bnxt_irq.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/bnxt/bnxt_irq.c b/drivers/net/bnxt/bnxt_irq.c
index 79a119623..49436cfd9 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;