This is a note to let you know that I've just added the patch titled
octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_dcbnl.c
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
octeontx2-pf-handle-otx2_mbox_get_rsp-errors-in-otx2.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 38a78c75ab4f1faf2e8f5c4549756445716c0a55
Author: Dipendra Khadka <kdipendra88@xxxxxxxxx>
Date: Thu Oct 17 19:16:16 2024 +0000
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@xxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
Signed-off-by: Andrew Lunn <andrew@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c
index 28fb643d2917f..1a13f003f3dbd 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c
@@ -311,6 +311,11 @@ 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");
