net: stmmac: tc: Do not return a fragment entry

[ Upstream commit 4a6a1385a4db5f42258a40fcd497cbfd22075968 ]

Do not try to return a fragment entry from TC list. Otherwise we may not
clean properly allocated entries.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
index 58ea18af9813ab950b1252cde08d626abe61c30e..37c0bc699cd9ca80dbfdb77e7893abaad150fe62 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
@@ -37,7 +37,7 @@ static struct stmmac_tc_entry *tc_find_entry(struct stmmac_priv *priv,
                entry = &priv->tc_entries[i];
                if (!entry->in_use && !first && free)
                        first = entry;
-               if (entry->handle == loc && !free)
+               if ((entry->handle == loc) && !free && !entry->is_frag)
                        dup = entry;
        }