1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index 1fe2c7a8b40c..a8fb52992c64 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -697,10 +697,10 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod,
         if (slave != dev->caps.function)
                 memset(inbox->buf, 0, 256);
         if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
-                *(u8 *) inbox->buf         = !!reset_qkey_viols << 6;
+                *(u8 *) inbox->buf         |= !!reset_qkey_viols << 6;
                 ((__be32 *) inbox->buf)[2] = agg_cap_mask;
         } else {
-                ((u8 *) inbox->buf)[3]     = !!reset_qkey_viols;
+                ((u8 *) inbox->buf)[3]     |= !!reset_qkey_viols;
                 ((__be32 *) inbox->buf)[1] = agg_cap_mask;
         }