Merge tag 'x86-irq-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

[linux-2.6-microblaze.git] / drivers / net / ethernet / stmicro / stmmac / stmmac_tc.c

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
index 4f3b643..8160087 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
@@ -884,11 +884,13 @@ static int tc_setup_taprio(struct stmmac_priv *priv,
        return 0;
 
 disable:
-       mutex_lock(&priv->plat->est->lock);
-       priv->plat->est->enable = false;
-       stmmac_est_configure(priv, priv->ioaddr, priv->plat->est,
-                            priv->plat->clk_ptp_rate);
-       mutex_unlock(&priv->plat->est->lock);
+       if (priv->plat->est) {
+               mutex_lock(&priv->plat->est->lock);
+               priv->plat->est->enable = false;
+               stmmac_est_configure(priv, priv->ioaddr, priv->plat->est,
+                                    priv->plat->clk_ptp_rate);
+               mutex_unlock(&priv->plat->est->lock);
+       }
 
        priv->plat->fpe_cfg->enable = false;
        stmmac_fpe_configure(priv, priv->ioaddr,