This is a note to let you know that I've just added the patch titled octeontx2-pf: Send UP messages to VF only when VF is up. to the 6.8-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-send-up-messages-to-vf-only-when-vf-is-.patch and it can be found in the queue-6.8 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 38540357a2e4e3384cbfb88b90cf0594e7dedeaf Author: Subbaraya Sundeep <sbhatta@xxxxxxxxxxx> Date: Mon Mar 18 14:59:57 2024 +0530 octeontx2-pf: Send UP messages to VF only when VF is up. [ Upstream commit dfcf6355f53b1796cf7fd50a4f27b18ee6a3497a ] When PF sending link status messages to VF, it is possible that by the time link_event_task work function is executed VF might have brought down. Hence before sending VF link status message check whether VF is up to receive it. Fixes: ad513ed938c9 ("octeontx2-vf: Link event notification support") Signed-off-by: Subbaraya Sundeep <sbhatta@xxxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index f85d38fab3211..b40bd0e467514 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -3122,6 +3122,9 @@ static void otx2_vf_link_event_task(struct work_struct *work) vf_idx = config - config->pf->vf_configs; pf = config->pf; + if (config->intf_down) + return; + mutex_lock(&pf->mbox.lock); dwork = &config->link_event_work;