diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_ll2.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_ll2.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c index 02a4610d9330..c46a7f756ed5 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -327,6 +327,9 @@ static int qed_ll2_txq_completion(struct qed_hwfn *p_hwfn, void *p_cookie) unsigned long flags; int rc = -EINVAL; + if (!p_ll2_conn) + return rc; + spin_lock_irqsave(&p_tx->lock, flags); if (p_tx->b_completing_packet) { rc = -EBUSY; @@ -500,7 +503,16 @@ static int qed_ll2_rxq_completion(struct qed_hwfn *p_hwfn, void *cookie) unsigned long flags = 0; int rc = 0; + if (!p_ll2_conn) + return rc; + spin_lock_irqsave(&p_rx->lock, flags); + + if (!QED_LL2_RX_REGISTERED(p_ll2_conn)) { + spin_unlock_irqrestore(&p_rx->lock, flags); + return 0; + } + cq_new_idx = le16_to_cpu(*p_rx->p_fw_cons); cq_old_idx = qed_chain_get_cons_idx(&p_rx->rcq_chain); @@ -821,6 +833,9 @@ static int qed_ll2_lb_rxq_completion(struct qed_hwfn *p_hwfn, void *p_cookie) struct qed_ll2_info *p_ll2_conn = (struct qed_ll2_info *)p_cookie; int rc; + if (!p_ll2_conn) + return 0; + if (!QED_LL2_RX_REGISTERED(p_ll2_conn)) return 0; @@ -844,6 +859,9 @@ static int qed_ll2_lb_txq_completion(struct qed_hwfn *p_hwfn, void *p_cookie) u16 new_idx = 0, num_bds = 0; int rc; + if (!p_ll2_conn) + return 0; + if (!QED_LL2_TX_REGISTERED(p_ll2_conn)) return 0; @@ -1728,6 +1746,8 @@ int qed_ll2_post_rx_buffer(void *cxt, if (!p_ll2_conn) return -EINVAL; p_rx = &p_ll2_conn->rx_queue; + if (!p_rx->set_prod_addr) + return -EIO; spin_lock_irqsave(&p_rx->lock, flags); if (!list_empty(&p_rx->free_descq)) |