[net PATCH 8/9] octeontx2-af: fix infinite loop in unmapping counter

From: Hariprasad Kelam
Date: Tue Mar 16 2021 - 05:28:51 EST


Current code does not break from loop due to entry value
miscalculation. Hence correct the same.

Fixes: a958dd59("octeontx2-af: Map or unmap NPC MCAM entry and counter")
Signed-off-by: Hariprasad Kelam <hkelam@xxxxxxxxxxx>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@xxxxxxxxxxx>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
index 04bb080..0bd49c7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -2490,10 +2490,10 @@ int rvu_mbox_handler_npc_mcam_free_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);
}
--
2.7.4