Commit 281140a0 authored by Tobias Waldekranz's avatar Tobias Waldekranz Committed by David S. Miller
Browse files

net: dsa: mv88e6xxx: Fix off-by-one in VTU devlink region size 



In the unlikely event of the VTU being loaded to the brim with 4k
entries, the last one was placed in the buffer, but the size reported
to devlink was off-by-one. Make sure that the final entry is available
to the caller.

Fixes: ca4d632a ("net: dsa: mv88e6xxx: Export VTU as devlink region")
Signed-off-by: default avatarTobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 78e70dbc

drivers/net/dsa/mv88e6xxx/devlink.c

+1 −1
Original line number Diff line number Diff line
@@ -678,7 +678,7 @@ static int mv88e6xxx_setup_devlink_regions_global(struct dsa_switch *ds, 
				sizeof(struct mv88e6xxx_devlink_atu_entry);

			break;

		case MV88E6XXX_REGION_VTU:

			size = mv88e6xxx_max_vid(chip) *

			size = (mv88e6xxx_max_vid(chip) + 1) *

				sizeof(struct mv88e6xxx_devlink_vtu_entry);

			break;

		}