summaryrefslogtreecommitdiffstats
path: root/drivers/net
diff options
context:
space:
mode:
authorSubbaraya Sundeep <sbhatta@marvell.com>2021-08-30 20:00:43 +0200
committerDavid S. Miller <davem@davemloft.net>2021-08-31 12:35:26 +0200
commit6537e96d743b89294b397b4865c6c061abae31b0 (patch)
treea867c779caa97772ca551ccec07c0c44a7b6f55a /drivers/net
parentaf_unix: fix potential NULL deref in unix_dgram_connect() (diff)
downloadlinux-6537e96d743b89294b397b4865c6c061abae31b0.tar.xz
linux-6537e96d743b89294b397b4865c6c061abae31b0.zip
octeontx2-af: Fix loop in free and unmap counter
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: a958dd59f9ce ("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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
index b95485882dc9..6389ee7a9371 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -2979,10 +2979,11 @@ 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);
}