From: Linus Walleij linus.walleij@linaro.org
[ Upstream commit a7920efdd86d8a0d74402dbc80ead03b023294ba ]
There is an off-by-one error in rtl8366rb_is_vlan_valid() making VLANs 0..4094 valid while it should be 1..4095. Fix it.
Fixes: d8652956cf37 ("net: dsa: realtek-smi: Add Realtek SMI driver") Signed-off-by: Linus Walleij linus.walleij@linaro.org Reviewed-by: Florian Fainelli f.fainelli@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/dsa/rtl8366rb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/dsa/rtl8366rb.c b/drivers/net/dsa/rtl8366rb.c index fd1977590cb4b..c83b332656a4b 100644 --- a/drivers/net/dsa/rtl8366rb.c +++ b/drivers/net/dsa/rtl8366rb.c @@ -1270,7 +1270,7 @@ static bool rtl8366rb_is_vlan_valid(struct realtek_smi *smi, unsigned int vlan) if (smi->vlan4k_enabled) max = RTL8366RB_NUM_VIDS - 1;
- if (vlan == 0 || vlan >= max) + if (vlan == 0 || vlan > max) return false;
return true;