This is a note to let you know that I've just added the patch titled
igc: fix a log entry using uninitialized netdev
to the 6.6-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:
igc-fix-a-log-entry-using-uninitialized-netdev.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit cff4593b348e5fbbca12a0bcf930e8c718f0cbba
Author: Corinna Vinschen <vinschen@xxxxxxxxxx>
Date: Tue Apr 23 12:24:54 2024 +0200
igc: fix a log entry using uninitialized netdev
[ Upstream commit 86167183a17e03ec77198897975e9fdfbd53cb0b ]
During successful probe, igc logs this:
[ 5.133667] igc 0000:01:00.0 (unnamed net_device) (uninitialized): PHC added
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The reason is that igc_ptp_init() is called very early, even before
register_netdev() has been called. So the netdev_info() call works
on a partially uninitialized netdev.
Fix this by calling igc_ptp_init() after register_netdev(), right
after the media autosense check, just as in igb. Add a comment,
just as in igb.
Now the log message is fine:
[ 5.200987] igc 0000:01:00.0 eth0: PHC added
Signed-off-by: Corinna Vinschen <vinschen@xxxxxxxxxx>
Reviewed-by: Hariprasad Kelam <hkelam@xxxxxxxxxxx>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@xxxxxxxxx>
Tested-by: Naama Meir <naamax.meir@xxxxxxxxxxxxxxx>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index e83700ad7e622..5715fc6779117 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -6908,8 +6908,6 @@ static int igc_probe(struct pci_dev *pdev,
device_set_wakeup_enable(&adapter->pdev->dev,
adapter->flags & IGC_FLAG_WOL_SUPPORTED);
- igc_ptp_init(adapter);
-
igc_tsn_clear_schedule(adapter);
/* reset the hardware with the new settings */
@@ -6931,6 +6929,9 @@ static int igc_probe(struct pci_dev *pdev,
/* Check if Media Autosense is enabled */
adapter->ei = *ei;
+ /* do hw tstamp init after resetting */
+ igc_ptp_init(adapter);
+
/* print pcie link status and MAC address */
pcie_print_link_status(pdev);
netdev_info(netdev, "MAC: %pM\n", netdev->dev_addr);
