octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_dcbnl.c

Add error pointer check after calling otx2_mbox_get_rsp().

Fixes: 8e67558177 ("octeontx2-pf: PFC config support with DCBx")
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
This commit is contained in:
Dipendra Khadka
2024-10-17 19:16:16 +00:00
committed by Andrew Lunn
parent f5b942e6c5
commit 69297b0d33

View File

@@ -315,6 +315,11 @@ int otx2_config_priority_flow_ctrl(struct otx2_nic *pfvf)
if (!otx2_sync_mbox_msg(&pfvf->mbox)) {
rsp = (struct cgx_pfc_rsp *)
otx2_mbox_get_rsp(&pfvf->mbox.mbox, 0, &req->hdr);
if (IS_ERR(rsp)) {
err = PTR_ERR(rsp);
goto unlock;
}
if (req->rx_pause != rsp->rx_pause || req->tx_pause != rsp->tx_pause) {
dev_warn(pfvf->dev,
"Failed to config PFC\n");