When HW does not support perfect filtering the feature will not be
enabled in the net_device. Add a check for this to prevent failures.
Fixes: 1b2250a04c1f ("net: stmmac: selftests: Add tests for VLAN Perfect
Filtering")
Signed-off-by: Jose Abreu <jose.ab...@synopsys.com>
---
Cc: Giuseppe Cavallaro <peppe.cavall...@st.com>
Cc: Alexandre Torgue <alexandre.tor...@st.com>
Cc: Jose Abreu <joab...@synopsys.com>
Cc: "David S. Miller" <da...@davemloft.net>
Cc: Maxime Coquelin <mcoquelin.st...@gmail.com>
Cc: net...@vger.kernel.org
Cc: linux-st...@st-md-mailman.stormreply.com
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-ker...@vger.kernel.org
Cc: Alexey Brodkin <abrod...@synopsys.com>
Cc: Vineet Gupta <vgu...@synopsys.com>
Cc: linux-snps-arc@lists.infradead.org
---
drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
index 7edee3c87ac9..450d7dac3ea6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
@@ -971,6 +971,9 @@ static int stmmac_test_vlanfilt_perfect(struct stmmac_priv
*priv)
{
int ret, prev_cap = priv->dma_cap.vlhash;
+ if (!(priv->dev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
+ return -EOPNOTSUPP;
+
priv->dma_cap.vlhash = 0;
ret = __stmmac_test_vlanfilt(priv);
priv->dma_cap.vlhash = prev_cap;
@@ -1063,6 +1066,9 @@ static int stmmac_test_dvlanfilt_perfect(struct
stmmac_priv *priv)
{
int ret, prev_cap = priv->dma_cap.vlhash;
+ if (!(priv->dev->features & NETIF_F_HW_VLAN_STAG_FILTER))
+ return -EOPNOTSUPP;
+
priv->dma_cap.vlhash = 0;
ret = __stmmac_test_dvlanfilt(priv);
priv->dma_cap.vlhash = prev_cap;
--
2.7.4
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