[PATCH] net: bcmgenet: fix mask check in bcmgenet_validate_flow()

From: Denis Efremov
Date: Wed Sep 02 2020 - 07:19:21 EST


VALIDATE_MASK(eth_mask->h_source) is checked twice in a row in
bcmgenet_validate_flow(). Add VALIDATE_MASK(eth_mask->h_dest)
instead.

Fixes: 3e370952287c ("net: bcmgenet: add support for ethtool rxnfc flows")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Denis Efremov <efremov@xxxxxxxxx>
---
I'm not sure that h_dest check is required here, it's only my guess.
Compile tested only.

drivers/net/ethernet/broadcom/genet/bcmgenet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 0ca8436d2e9d..be85dad2e3bc 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1364,7 +1364,7 @@ static int bcmgenet_validate_flow(struct net_device *dev,
case ETHER_FLOW:
eth_mask = &cmd->fs.m_u.ether_spec;
/* don't allow mask which isn't valid */
- if (VALIDATE_MASK(eth_mask->h_source) ||
+ if (VALIDATE_MASK(eth_mask->h_dest) ||
VALIDATE_MASK(eth_mask->h_source) ||
VALIDATE_MASK(eth_mask->h_proto)) {
netdev_err(dev, "rxnfc: Unsupported mask\n");
--
2.26.2