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octeontx2-pf: Send UP messages to VF only when VF is up.

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[ Upstream commit dfcf6355f5 ]

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: ad513ed938 ("octeontx2-vf: Link event notification support")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Subbaraya Sundeep 2024-03-18 14:59:57 +05:30 committed by Sasha Levin
parent b96b278c82
commit 85724ee6e2
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
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@ -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;