AuxXxilium/linux_dsm_epyc7002
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octeontx2-af: Fix loop in free and unmap counter

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[ Upstream commit 6537e96d743b89294b397b4865c6c061abae31b0 ]

When the given counter does not belong to the entry
then code ends up in infinite loop because the loop
cursor, entry is not getting updated further. This
patch fixes that by updating entry for every iteration.

Fixes: a958dd59f9 ("octeontx2-af: Map or unmap NPC MCAM entry and counter")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@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 2021-08-30 23:30:43 +05:30 committed by AuxXxilium
parent a02eb55de8
commit 8a8514a5bd
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
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@ -2081,10 +2081,11 @@ int rvu_mbox_handler_npc_mcam_unmap_counter(struct rvu *rvu,
index = find_next_bit(mcam->bmap, mcam->bmap_entries, entry);
if (index >= mcam->bmap_entries)
break;
entry = index + 1;
if (mcam->entry2cntr_map[index] != req->cntr)
continue;
entry = index + 1;
npc_unmap_mcam_entry_and_cntr(rvu, mcam, blkaddr,
index, req->cntr);
}