reset: renesas: Check return value of reset_control_deassert()

Deasserting the reset is vital, therefore bail out in case of error.

Suggested-by: Biju Das <[e-mail]>
Signed-off-by: Heiner Kallweit <[e-mail]>
Reviewed-by: Biju Das <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Philipp Zabel <[e-mail]>

drivers/reset/reset-rzg2l-usbphy-ctrl.c

···
 		return dev_err_probe(dev, PTR_ERR(priv->rstc),
 				     "failed to get reset\n");
 
-	reset_control_deassert(priv->rstc);
+	error = reset_control_deassert(priv->rstc);
+	if (error)
+		return error;
 
 	priv->rcdev.ops = &rzg2l_usbphy_ctrl_reset_ops;
 	priv->rcdev.of_reset_n_cells = 1;