[dpdk-dev] [PATCH] net/bnxt: do not use possibly NULL pointers
From: Thierry Herbelot <hidden>
Date: 2021-05-24 09:00:49
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Check that pointers are valid before using them.
Fixes: 7bc8e9a227ccb ("net/bnxt: support async link notification")
Cc: stable@dpdk.org
Cc: Ajit Khaparde <ajit.khaparde@broadcom.com>
Cc: Somnath Kotur <redacted>
Signed-off-by: Thierry Herbelot <redacted>
---
drivers/net/bnxt/bnxt_irq.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/bnxt/bnxt_irq.c b/drivers/net/bnxt/bnxt_irq.c
index 8abbadb3d19d..fd8b8fac989a 100644
--- a/drivers/net/bnxt/bnxt_irq.c
+++ b/drivers/net/bnxt/bnxt_irq.c@@ -21,11 +21,14 @@ void bnxt_int_handler(void *param) { struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param; struct bnxt *bp = eth_dev->data->dev_private; - struct bnxt_cp_ring_info *cpr = bp->async_cp_ring; + struct bnxt_cp_ring_info *cpr; struct cmpl_base *cmp; uint32_t raw_cons; uint32_t cons; + if (bp == NULL) + return; + cpr = bp->async_cp_ring; if (cpr == NULL) return;
--
2.29.2