Make sure we don't use an out-of-bound index for the per-port RSS
context array.
As of today, the global context creation in mvpp22_rss_context_create
will prevent us from reaching this case, but we should still make sure
we are using a sane value anyway.
Reported-by: kbuild test robot <l...@intel.com>
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Maxime Chevallier <maxime.chevall...@bootlin.com>
---
drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c
b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c
index cd0daad011ce..bd19a910dc90 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c
@@ -1466,6 +1466,9 @@ int mvpp22_port_rss_ctx_create(struct mvpp2_port *port,
u32 *port_ctx)
break;
}
+ if (i == MVPP22_N_RSS_TABLES)
+ return -EINVAL;
+
port->rss_ctx[i] = rss_ctx;
*port_ctx = i;
--
2.20.1
