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octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_flows.c

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[ Upstream commit bd3110bc102ab6292656b8118be819faa0de8dd0 ]

Adding error pointer check after calling otx2_mbox_get_rsp().

Fixes: 9917060fc3 ("octeontx2-pf: Cleanup flow rule management")
Fixes: f0a1913f8a ("octeontx2-pf: Add support for ethtool ntuple filters")
Fixes: 674b3e1642 ("octeontx2-pf: Add additional checks while configuring ucast/bcast/mcast rules")
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dipendra Khadka
2024-10-17 19:08:44 +00:00
committed by Greg Kroah-Hartman
parent 05a6ce174c
commit 8c9f8b35dc
1 changed files with 10 additions and 0 deletions
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10
drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c
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@@ -121,6 +121,8 @@ 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];
@@ -199,6 +201,10 @@ static 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,
@@ -234,6 +240,10 @@ static 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;