FAILED: patch "[PATCH] net/mlx5e: TC, Reject rules with forward and drop actions" failed to apply to 5.15-stable tree

The patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 5623ef8a118838aae65363750dfafcba734dc8cb Mon Sep 17 00:00:00 2001
From: Roi Dayan <[email protected]>
Date: Mon, 17 Jan 2022 15:00:30 +0200
Subject: [PATCH] net/mlx5e: TC, Reject rules with forward and drop actions

Such rules are redundant but allowed and passed to the driver. The driver does not support offloading such rules so return an error.

index 671f76c350db..4c6e3c26c1ab 100644
@@ -3191,6 +3191,12 @@ actions_match_supported(struct mlx5e_priv *priv,
 		return false;
 	}
 
+	if (!(~actions &
+	      (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) {
+		NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action");
+		return false;
+	}
+
 	if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR &&
 	    actions & MLX5_FLOW_CONTEXT_ACTION_DROP) {
 		NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported");