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.wall...@linaro.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 1e79349922f4..1a49ea822b2e 100644 --- a/drivers/net/dsa/rtl8366rb.c +++ b/drivers/net/dsa/rtl8366rb.c @@ -1345,7 +1345,7 @@ 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; -- 2.26.2