sfc: Introduce and use MCDI_DECLARE_BUF macro

MCDI_DECLARE_BUF declares a variable as an MCDI buffer of the
requested length, adding any necessary padding.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/ethernet/sfc/siena_sriov.c b/drivers/net/ethernet/sfc/siena_sriov.c
index 90f8d1604f5f..8e46fac65536 100644
--- a/drivers/net/ethernet/sfc/siena_sriov.c
+++ b/drivers/net/ethernet/sfc/siena_sriov.c
@@ -197,8 +197,8 @@ static unsigned abs_index(struct efx_vf *vf, unsigned index)
 static int efx_sriov_cmd(struct efx_nic *efx, bool enable,
                          unsigned *vi_scale_out, unsigned *vf_total_out)
 {
-        u8 inbuf[MC_CMD_SRIOV_IN_LEN];
-        u8 outbuf[MC_CMD_SRIOV_OUT_LEN];
+        MCDI_DECLARE_BUF(inbuf, MC_CMD_SRIOV_IN_LEN);
+        MCDI_DECLARE_BUF(outbuf, MC_CMD_SRIOV_OUT_LEN);
         unsigned vi_scale, vf_total;
         size_t outlen;
         int rc;