diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c index 98c31a16c70b..58720a161ee2 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c @@ -119,6 +119,8 @@ int otx2_alloc_mcam_entries(struct otx2_nic *pfvf, u16 count) rsp = (struct npc_mcam_alloc_entry_rsp *)otx2_mbox_get_rsp (&pfvf->mbox.mbox, 0, &req->hdr); + if (IS_ERR(rsp)) + goto exit; for (ent = 0; ent < rsp->count; ent++) flow_cfg->flow_ent[ent + allocated] = rsp->entry_list[ent]; @@ -197,6 +199,10 @@ int otx2_mcam_entry_init(struct otx2_nic *pfvf) rsp = (struct npc_mcam_alloc_entry_rsp *)otx2_mbox_get_rsp (&pfvf->mbox.mbox, 0, &req->hdr); + if (IS_ERR(rsp)) { + mutex_unlock(&pfvf->mbox.lock); + return PTR_ERR(rsp); + } if (rsp->count != req->count) { netdev_info(pfvf->netdev, @@ -232,6 +238,10 @@ int otx2_mcam_entry_init(struct otx2_nic *pfvf) frsp = (struct npc_get_field_status_rsp *)otx2_mbox_get_rsp (&pfvf->mbox.mbox, 0, &freq->hdr); + if (IS_ERR(frsp)) { + mutex_unlock(&pfvf->mbox.lock); + return PTR_ERR(frsp); + } if (frsp->enable) { pfvf->flags |= OTX2_FLAG_RX_VLAN_SUPPORT; |