diff options
Diffstat (limited to 'drivers/net/ethernet/cisco/enic/enic_main.c')
-rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_main.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 204bd182473b..918a8e42139b 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -615,8 +615,15 @@ static struct rtnl_link_stats64 *enic_get_stats(struct net_device *netdev, { struct enic *enic = netdev_priv(netdev); struct vnic_stats *stats; + int err; - enic_dev_stats_dump(enic, &stats); + err = enic_dev_stats_dump(enic, &stats); + /* return only when pci_zalloc_consistent fails in vnic_dev_stats_dump + * For other failures, like devcmd failure, we return previously + * recorded stats. + */ + if (err == -ENOMEM) + return net_stats; net_stats->tx_packets = stats->tx.tx_frames_ok; net_stats->tx_bytes = stats->tx.tx_bytes_ok; @@ -1163,7 +1170,7 @@ static int enic_poll(struct napi_struct *napi, int budget) wq_work_done, 0 /* dont unmask intr */, 0 /* dont reset intr timer */); - return rq_work_done; + return budget; } if (budget > 0) @@ -1184,6 +1191,7 @@ static int enic_poll(struct napi_struct *napi, int budget) 0 /* don't reset intr timer */); err = vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf); + enic_poll_unlock_napi(&enic->rq[cq_rq], napi); /* Buffer allocation failed. Stay in polling * mode so we can try to fill the ring again. @@ -1201,7 +1209,6 @@ static int enic_poll(struct napi_struct *napi, int budget) napi_complete(napi); vnic_intr_unmask(&enic->intr[intr]); } - enic_poll_unlock_napi(&enic->rq[cq_rq]); return rq_work_done; } @@ -1407,6 +1414,7 @@ static int enic_poll_msix_rq(struct napi_struct *napi, int budget) */ enic_calc_int_moderation(enic, &enic->rq[rq]); + enic_poll_unlock_napi(&enic->rq[rq], napi); if (work_done < work_to_do) { /* Some work done, but not enough to stay in polling, @@ -1418,7 +1426,6 @@ static int enic_poll_msix_rq(struct napi_struct *napi, int budget) enic_set_int_moderation(enic, &enic->rq[rq]); vnic_intr_unmask(&enic->intr[intr]); } - enic_poll_unlock_napi(&enic->rq[rq]); return work_done; } |