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net/bnxt: check access to possible null pointer

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Check that pointers are valid before using them.

Fixes: 7bc8e9a227 ("net/bnxt: support async link notification")
Cc: stable@dpdk.org

Signed-off-by: Thierry Herbelot <thierry.herbelot@6wind.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
This commit is contained in:
Thierry Herbelot 2021-05-24 11:00:38 +02:00 committed by Ajit Khaparde
parent 2ca92f5441
commit dc59260fb6
1 changed files with 4 additions and 1 deletions
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5
drivers/net/bnxt/bnxt_irq.c
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@ -21,11 +21,14 @@ void bnxt_int_handler(void *param)
{ {
struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param; struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
struct bnxt *bp = eth_dev->data->dev_private; 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; struct cmpl_base *cmp;
uint32_t raw_cons; uint32_t raw_cons;
uint32_t cons; uint32_t cons;
if (bp == NULL)
return;
cpr = bp->async_cp_ring;
if (cpr == NULL) if (cpr == NULL)
return; return;