net: ethernet: ti: ale: fix port check in cpsw_ale_control_set/get

ALE ports number includes the Host port and ext Ports, and
ALE ports numbering starts from 0, so correct corresponding port
checks in cpsw_ale_control_set/get().

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Grygorii Strashko 2017-11-30 18:21:20 -06:00 committed by David S. Miller
parent 1971ab587b
commit 97193601bb

View File

@ -723,7 +723,7 @@ int cpsw_ale_control_set(struct cpsw_ale *ale, int port, int control,
if (info->port_offset == 0 && info->port_shift == 0)
port = 0; /* global, port is a dont care */
if (port < 0 || port > ale->params.ale_ports)
if (port < 0 || port >= ale->params.ale_ports)
return -EINVAL;
mask = BITMASK(info->bits);
@ -754,7 +754,7 @@ int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control)
if (info->port_offset == 0 && info->port_shift == 0)
port = 0; /* global, port is a dont care */
if (port < 0 || port > ale->params.ale_ports)
if (port < 0 || port >= ale->params.ale_ports)
return -EINVAL;
offset = info->offset + (port * info->port_offset);