This is a note to let you know that I've just added the patch titled
net: txgbe: fix null pointer to pcs
to the 6.12-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:
net-txgbe-fix-null-pointer-to-pcs.patch
and it can be found in the queue-6.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 83a17e59ecbacc3683a19cc43edda3931d2bf1e2
Author: Jiawen Wu <jiawenwu@xxxxxxxxxxxxxx>
Date: Fri Nov 15 15:35:08 2024 +0800
net: txgbe: fix null pointer to pcs
[ Upstream commit 2160428bcb20f2f70a72ee84aba91a1264dc4ff3 ]
For 1000BASE-X or SGMII interface mode, the PCS also need to be selected.
Only return null pointer when there is a copper NIC with external PHY.
Fixes: 02b2a6f91b90 ("net: txgbe: support copper NIC with external PHY")
Signed-off-by: Jiawen Wu <jiawenwu@xxxxxxxxxxxxxx>
Link: https://patch.msgid.link/20241115073508.1130046-1-jiawenwu@xxxxxxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
index 2bfe41339c1cd..f26946198a2fb 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
@@ -162,7 +162,7 @@ static struct phylink_pcs *txgbe_phylink_mac_select(struct phylink_config *confi
struct wx *wx = phylink_to_wx(config);
struct txgbe *txgbe = wx->priv;
- if (interface == PHY_INTERFACE_MODE_10GBASER)
+ if (wx->media_type != sp_media_copper)
return &txgbe->xpcs->pcs;
return NULL;
