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| author | Dipendra Khadka <kdipendra88@gmail.com> | 2024-10-17 19:16:16 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-05 14:01:47 +0100 |
| commit | 6ee6cf42dc5230425cfce1ffefa5a8d8a99e6fce (patch) | |
| tree | 9e2ffd00487be8d4cd21daf30a829c0d2537071b | |
| parent | fc595472fbad96533ccbb7b9ebb82b743ec26829 (diff) | |
| download | linux-6ee6cf42dc5230425cfce1ffefa5a8d8a99e6fce.tar.gz linux-6ee6cf42dc5230425cfce1ffefa5a8d8a99e6fce.tar.bz2 linux-6ee6cf42dc5230425cfce1ffefa5a8d8a99e6fce.zip | |
octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_dcbnl.c
[ Upstream commit 69297b0d3369488af259e3a7cf53d69157938ea1 ]
Add error pointer check after calling otx2_mbox_get_rsp().
Fixes: 8e67558177f8 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c index aa01110f04a3..294fba58b670 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c @@ -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"); |