[dpdk-dev] [PATCH v2 11/15] net/bnxt: fix a potential null poiner dereference
Ajit Khaparde
ajit.khaparde at broadcom.com
Tue Oct 24 23:19:49 CEST 2017
Fixes: f7ecea911ec5 ("net/bnxt: fix interrupt handler")
Coverity issue: 195046
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 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;
--
2.13.5 (Apple Git-94)
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